
Wristwatches · Wristwatch
Tudor Submariner Ref 7928 Gilt Chapter Ring Original Owner, 1964
- Maker / attribution
- Tudor (maker)
- Date
- 1964
- Historical period
- Modern Mechanical Horology (1945 – 1969)
- Country of origin
- Switzerland
- Object type
- Wristwatch
- Dimensions
- Case 40 mm
- Stock no.
- W-931
- Credit line
- Dealer listing, Bulang & Sons (W-931)
- Catalogue title (original)
- Tudor Submariner Ref 7928 Gilt Chapter Ring Original Owner (English)
View the source record (dealer listing) ↗ (opens another website in a new tab)Suggest a correction
Record summary
Catalogued by Bulang & Sons (dealer), Copenhagen (stock number W-931), this is a wristwatch by Tudor, made in Switzerland, dated 1964. The Atlas places it in the Modern Mechanical Horology period (1945 – 1969) of its Wristwatches collection. Recorded dimensions: Case 40 mm. The record is illustrated with 6 photographs.
Assembled from the source record's structured fields. Dates and attributions are given as the source states them; where a field is missing the Atlas leaves it blank rather than estimating.
Catalogue description
Dealer description — Bulang & Sons
The Thunderball Tudor Sub… This is a very cool original owner Tudor Submariner with a very cool story. Y ou can read it here! The watch was originally bought by Carlo Rodriguez, who had the case back engraved with the name of his famous Italian ship building business “L Rodgriguez Cantieri Navale Messina”. The engraving is still in great condition and is a super cool feature of this watch and the key to its secret! Read the full story here... The silver printing on the dial is in great condition with the beautiful gilt chapter ring and T SWISS T on the edge of the dial. The lume has gently aged on the hour plots and the hands, with a slightly different lume colour in a portion of the hour hand. The case remains strong in all areas with signs of the original factory lines. The bezel insert has some cool patina and some slight fading. The watch is fitted with a folded link Oyster bracelet reference 9315 with reference 280 endlinks. The Tudor calibre 390 movement has been fully serviced by our watchmaker. The crystal and winding crown were also replaced but the originals are included with the watch. Specifications - Reference 7928 - Serial 433xxx dating to 1964 - 40mm steel case - Silver print dial with gilt chapter ring - Cool patina bezel insert - Original crown and glass included - Oyster bracelet 9315 with 280 endlinks - Fully serviced by our watchmaker - Includes a handmade single leather watch pouch
Historical context
Modern Mechanical Horology (1945 – 1969)
Tool watches for divers, pilots and astronauts; electric watches anticipate the electronic age.
The classic era of the mechanical wristwatch: dive watches, chronographs for motor racing and space flight, GMT watches for jet travel, slim dress watches, automatic calendars, and the rise of Japanese manufacturers alongside Swiss, American, German and Soviet industries.
Read the period in the timelineMore wristwatches from this periodEarlier: Golden Age of Mechanical Watchmaking
Atlas type guide
Dive and water-resistant watches
Keeping water and dust out of a wristwatch was a long-standing challenge. Rolex's screw-down Oyster case (1926) and Omega's Marine (1932) were landmarks; in the early 1950s Blancpain's Fifty Fathoms and Rolex's Submariner defined the professional dive watch with rotating bezels for timing dives, luminous dials and high water resistance. The ISO 6425 standard (1982) later codified what a 'diver's watch' must do.
Dive watches became icons of post-war design and exploration, and their evolution — helium escape valves, ceramic bezels, saturation-diving depth ratings — records the history of underwater work.
What to look for
- Unidirectional or bidirectional rotating bezel with minute markings.
- Screw-down crown and case back; depth rating printed on the dial.
- Luminous hands and markers (radium before c. 1960, tritium c. 1960–1998, then Super-LumiNova).
- Reference numbers on the case between the lugs or inside the back.
Dating clues
- Screw-down Oyster cases: from 1926.
- Professional dive watches: from 1953.
- Tritium 'T' marks on dials: c. 1960–1998.
General guidance written by the Atlas editors about this kind of object. It is not a statement about this particular piece; for that, rely on the source record above and on physical examination.
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