Tudor Reference 7928 Submariner | A stainless steel automatic wristwatch with bracelet, Circa 1964 | 帝舵 型號 7928 Submariner 精鋼自動上鏈鍊帶腕錶，製作年份約 1964

Tudor

Reference 7928 Submariner
A stainless steel automatic wristwatch with bracelet, Circa 1964

帝舵 型號 7928 Submariner
精鋼自動上鏈鍊帶腕錶，製作年份約 1964

Dial: black
Caliber: cal. 390 automatic, 17 jewels
Case: stainless steel, screw down case back
Case number: 434'101
Size: 40 mm diameter
Signed: case, dial and movement
Box: no
Papers: no

Condition Report:
Case: The case is in overall good condition with visible signs of use throughout commensurate with age. Visible nicks to the bottom left and right lugs. The inside case back stamped 'III.64', and has some light watch maker marks. Please note that the strap and buckle are generic and not signed Tudor.

Dial: The dial is in overall very good condition. The luminous plots remain intact and have aged evenly throughout. The hands have aged darker in color.

Movement: The import mark 'ROW' is stamped on the dial. The movement is running at time of cataloging, however it was not tested for the accuracy of time or duration of the power reserve and may need service at the buyer's discretion. Please note that Sotheby's does not guarantee the future working of the movement.

Catalogue Note:
The Tudor trademark was registered in 1926 by Swiss watchmaking company Veuve de Philippe Hüther on behalf of Hans Wilsdorf, founder of Rolex watches. In 1936, Wilsdorf took it over and went on to found the company Montres Tudor SA in 1946. Tudor's purpose was to offer a more affordable watch than Rolex while maintaining Rolex-like quality. Tudor watches were originally equipped with off-the-shelf movements paired with Rolex cases and bracelets, allowing Tudor to provide reliability and quality while achieving its price goals.

Tudor Submariner reference 7928 with crown guard launched in 1959. The sister brand of Rolex and their Submariner ref. 5513, the models were supplied with the identical bezel inserts and had a depth rating of 200 m. (660 ft). Reference 7928 had dials that featured the Tudor rose symbol followed by "Oyster Prince", with depth rating 200m=660ft below the hands and Submariner, Rotor, Self-Winding using 4 lines of text.

The 7928 was fitted with the caliber 390, a 17 jewels movement developed by Rolex in the 1950s for Tudor. The brand was the dive watch of choice for many armed forces of the likes of the Canadian and French navies due to their robustness and reliability.