The Ref. 3646 / Type E will be auctioned on 21 November 2021 at Webb’s Fine Jewels, Watches & Luxury Accessories. You can read more about this watch here or go directly to the auctioneer’s website (Lot 423).

Features of the watch:
Reference: 3646 / Type E
Dial: “California Dial”
Case number: 2609XX
Movement: Rolex Cal. 618 / Type 1 mod.

[Photo with kind permission / courtesy of www.webbs.co.nz]

Interesting read can be found in our book “History2” on page 628-629, too.

Introducing another Ref. 3646 / Type E watch which surfaced in Germany – this specimen appeared with painted brass dial.

Noteworthy is the well preserved original strap and “Bottle Opener” buckle, wich most of today’s surfacing watches don’t have anymore.

The “Kampfschwimmer” watch with anonymous painted brass dial has an unpolished case with a matching flat bezel. The onion shaped winding crown (“BREVET +” Type 11) can be screwed down onto the collar of the 47 mm cushion shaped case with soldered lugs.

Features of the watch:
Reference: 3646 / Type E
Dial: “Kampfschwimmer” (painted brass, anonymous)
Case number: 2608XX
Movement: Rolex Cal. 618 / Type 1 mod.

Inside the watch is a Rolex Cal. 618 / Type 1 mod. movement with typical decorations and engravings on the bridges (17 RUBIS / FAB. SUISSE). The blued steel hands appear untouched with original luminous material. The inner caseback is decorated with half polish. An overview of different decorative polish on the inside of the caseback (Type A – Type G) can be found on page 486 in our book “The References” 1930’s-1940’s.

Find more info on straps and buckles here. More info on Ref. 3646 watches without Rolex hallmarks can be found here. More info on Ref. 3646 watches with brass dials can be found here.

Here we added another unknown watch into our database – yet another piece of the puzzle surfaced. Thanks to the collector who shared the photos and information with us!

Webb’s auction house from Auckland / New Zealand contacted us recently, providing information and photos of a yet unknown Ref. 3646 / Type E with “California Dial”. The watch appears with the matching flat bezel and both lead seals above and below the 47 mm cushion shaped case. The outer caseback is not engraved and the inner caseback is missing the Rolex hallmark and reference number, which is a typical feature of Ref. 3646 / Type E watches. The onion shaped winding crown (“BREVET +” Type 11) can be screwed down onto the collar of the 47 mm cushion shaped case with soldered lugs.

The “Error-Proof Radium Dial” by Rolex, with its railroad track minute markers and “SWISS MADE” signature at six o’clock, features half arabic and half roman numbers with luminous material applied from above.

Since 2016, five new watches of the number group Ref. 3646 / Type E surfaced, two of them expanded the number group from 260856 – 261097 (as of 1.1.2016) to 260850 – 260111. We have 31 Ref. 3646 / Type E watches recorded as of today, including this specimen from New Zealand.

Features of the watch:
Reference: 3646 / Type E
Dial: “California Dial”
Case number: 2609XX
Movement: Rolex Cal. 618 / Type 1 mod.

You can read more about Ref. 3646 watches with dissappeared Rolex hallmarks here.

[Photos with kind permission / courtesy of www.webbs.co.nz]

Sotheby’s will auction a Ref. 3646 / Type E with “California Dial” and Rolex Cal. 618 / Type 1 mod. movement in their upcoming auction Important Watches in Hong Kong on 8 October, 2019 (lot 2310). The watch is recorded in our database since May 2013.

The “California Dial” is corresponding with the flat bezel of the watch – a typical combination of dial version and bezel (a Panerai dial with its sandwich construction would need a higher bezel due to its height). The “Error-Proof Radium Dial” by Rolex, with its railroad track minute markers and “SWISS MADE” signature at six o’clock, features half arabic and half roman numbers with luminous material applied from above. The onion shaped winding crown (“BREVET +” Type 11) is screwed down onto the collar of the 47 mm cushion shaped case with soldered lugs.

Noteworthy, this watch is one of only three known pieces within the number group Ref. 3646 / Type E which show a Rolex hallmark and reference number on its inner caseback. Usually, known watches of the number group Ref. 3646 / Type E only bear their case number on the inner caseback as typical feature. We have pointed this out in our book “The References” 1930’s-1940’s in chapter II.V (page 537) and II.VI (page 579-581), where this watch is mentioned by its case number several times.

Since 2016, three new watches of the number group Ref. 3646 / Type E surfaced, two of them expanded the number group from 260856 – 261097 (1.1.2016) to 260850 – 260111 (29 watches recorded as of today).

Features of the watch:
Reference: 3646 / Type E
Dial: “California Dial”
Case number: 260918
Movement: Rolex Cal. 618 / Type 1 mod.

We hope that also this watch will find a good new home and remains surfaced in the Vintage Panerai collectors world. [Ralf Ehlers & Volker Wiegmann]

[Photo of the Ref. 3646 / Type E watch courtesy of www.sothebys.com]

We recently added another Ref. 3646 / Type G with “California Dial” into our records. It will replace the watch formerly called “the last 3646” since its case number is higher than the Ref. 3646 / Type G with painted brass dial, auctioned at Antiquorum back in 2014 (read more here).

Typical features of Ref. 3646 / Type G watches are the removed / not existing Rolex stamp in the inner caseback. You can compare the different inner caseback engravings in Ref. 3646 watches here. The center of the caseback (with all-over decorative polish inside, not engraved on the outside) on this watch is thinner than watches featuring the Rolex SA hallmark. Read more about these interesting details in our book “The References” 1930’s-1940’s on page 486-487 (decorative polish) and page 645 (topography).

The “California Dial” is corresponding with the flat bezel of the watch – a typical combination of dial version and bezel (a Panerai dial with its sandwich construction would need a higher bezel due to its height). The “Error-Proof Radium Dial” by Rolex, with its railroad track minute markers and “SWISS MADE” signature at six o’clock, features half arabic and half roman numbers with luminous material applied from above.

The onion shaped winding crown (“BREVET +” Type 11) is screwed down onto the collar of the 47 mm cushion shaped case with soldered lugs. A black leather strap with small pin buckle is fitted onto the soldered lugs of the watch.

The Rolex Cal. 618 / Type 1 mod. movement in this “California Dial” watch is another important element, which appears with confirming details of the today recorded watches in the number group 3646 / Type G.

Features of the watch:
Reference: 3646 / Type G
Dial: “California Dial”
Case number: 31753X
Movement: Rolex Cal. 618 / Type 1 mod.

Read more about the Ref. 3646 / Type G in chapter II.VII of our book “The References” 1930’s-1940′s on page 608-645.

Another souvenir from the Second World War in shape of a Ref. 3646 / Type E “Kampfschwimmer” with painted brass dial recently surfaced in the United Kingdom.

Piers Motley Auctions will feature this watch in their September auction. Read more about this interesting new addition to our database in our watch point.

[Photo with kindly permission / courtesy of www.piersmotleyauctions.co.uk]

Piers Motley Auctions (Exmouth / United Kingdom) will auction a Ref. 3646 / Type E “Kampfschwimmer” with painted brass dial in their auction on 17 September, 2018 (Lot 245).

The watch appears in good condition from the photos provided by the auction house. The blued steel hands are completely filled with luminous material, the anonymous brass dial shows no broken off numbers or markers, which we know from other watches with such dials, recorded in our database. The watch comes with the flat version of the bezel, matching to its anonymous, flat dial. Both lead seals are still present. The caseback of the watch bears no individual engraving.

The watch is powered with a matching Rolex Cal. 618 / Type 1 mod. movement (17 RUBIS FAB. SUISSE instead of ROLEX 17 RUBIS on the left side of the central bridge). The onion shaped winding crown (“BREVET +” Type 11) is screwed down onto the collar of the 47 mm cushion shaped case with soldered lugs. The watch is fitted onto a custom made leather strap with underlay, showing a big portion of patina, too. There are service marks on the inner caseback which could be the reason for the ratchet wheel without sunburst design.

What makes this watch a Ref. 3646 / Type E in our database criteria? As we have pointed out different caseback engravings earlier here, a Ref. 3646 without the Rolex SA hallmark can be only Type E (26XXXX) or Type G (317XXX) from its six digit case number embossed on the inside of the caseback.

This specimen has enlarged the number group of Ref. 3646 / Type E watches from 260850 – 261097 to 260850 – 261111. Twentysix Ref. 3646 / Type E watches were registered in our records as of 1.1.2016, 27 watches since end of 2016 with the Ref. 3646 / Type E “California Dial” auctioned at Phillips, being the only “new” Type E entry in our records until this watch – the 261111 – surfaced and represents the 28th Ref. 3646 / Type E in our records.

Very interesting also (just like the overlap between Ref. 3646 / Type D and Type E watches – read more on page 535-543 in our book “The References” 1930’s-1940’s) that there exist watches of the Ref. 3646 / Type F (again with Rolex SA hallmark embossed in the center of the caseback) which have a lower case number than this Ref. 3646 / Type E.

You can read the press release from Piers Motley Auctions here.

We hope that also this watch will find a good new home and remains surfaced in the Vintage Panerai collectors world. [Ralf Ehlers & Volker Wiegmann]

[Photos with kindly permission / courtesy of www.piersmotleyauctions.co.uk]

Phillips will feature a rare Ref. 3646 / Type E with “California Dial” dial in their Winning Icons – Legendary Watches of the 20th Century, which will be held on Thursday, 26 October 2017. The watch comes with an onion shaped Rolex crown (Type 11) and Rolex Cal. 618 / Type 1 mod. movement. The watch is recorded in our database since 2003. It is one of only two watches in the 3646 / Type E number group with the lettering “ROLEX” (presumably added later) engraved on the right-hand side of the central bridge (wheel train bridge).

At the release date of our book “The References” 1930’s-1940’s, 26 specimen of the 3646 / Type E number group were recorded in our database (read page 532-573 in chapter II.V). Only one further 3646 / Type E watch with “California Dial” surfaced since then, and it was auctioned in 2016 at Phillips, too. Lot 16 is published in our book “The References” 1930’s-1940’s on page 552-559.

Further info on this watch (lot 16) can be found here.

We hope that this rare watch will find a good new home and remains surfaced in the Vintage Panerai collectors world. [Ralf Ehlers & Volker Wiegmann]

[Photo with kindly permission / courtesy of www.phillips.com]

Sotheby’s New York features a Ref. 3646 / Type E in their Important Watches auction on June 8th, in New York (Lot 166). The watch has been added into our database back in 2007 with painted brass dial, Rolex 618 / Type 1 mod. movement and caseback without Rolex SA hallmark – features of a Ref. 3646 / Type E watch. In its actual condition, the watch is equipped with a re-manufatured dial (a sandwich construction of two brass discs and transparent plastic disc in the middle) with “Radiomir Panerai” lettering, made during restoration at the Officine Panerai customer service, dated March 2016.

Extract of Sotheby’s lot description about the re-manufactured dial:
The present 3646 recently underwent restoration at Officine Panerai, which included a re-manufactured dial with Superluminova and a complete service with extreme care made to retain original components and finishes, including remarkably retaining its original crystal.

The watch is mentioned together with other known Ref. 3646 watches with brass dials in our book “The References” in chapter II.IV on page 471 and in chapter II.V on page 565. Further information on painted brass dials in combination with the flat version of the bezel can be found in the chapter II.IV on page 472-479.

We hope that also this watch will find a good new home and remains surfaced in the Vintage Panerai collectors world. [Ralf Ehlers & Volker Wiegmann]

[Photo of the Ref. 3646 / Type E watch with kindly permission / courtesy of www.sothebys.com]

One more piece to the puzzle added, another gap closed and a remarkable and noteworthy match in our Vintage Panerai database: Phillips features a rare Ref. 3646 / Type E “California Dial” on May, 15th (lot 122, The Geneva Watch Auction: THREE). Added into our records in March 2016, this specimen bears the important and typical internal and external details of a Ref. 3646 / Type E watch.

Watches of the Reference 3646 / Type E are featured in our new book “The References” 1930’s-1940’s in chapter II.V (page 532-573). With this new addition we have now recorded 27 watches in this group, extending the 3646 / Type E number range downwards by six numbers, filling another gap between the watches of the Reference 3646 / Type D and 3646 / Type E.

The information and measurement results provided by Phillips confirmed the cross-section of a 3646 / Type E caseback, which we put in the focus on page 536-539 of our new book. The caseback of this watch has been engraved with a name, date of birth and hometown of the first owner from Bavaria/Germany.

The Rolex Cal. 618 / Type 1 mod. movement in this “California Dial” watch is another important element, which appears with confirming details of most of the today recorded watches in this number group.

We hope that also this watch will find a good new home and remains surfaced in the Vintage Panerai collectors world. [Ralf Ehlers & Volker Wiegmann]

[Photo with kindly permission / courtesy of www.phillips.com]