View full screen - View 1 of Lot 337. Reference 7C46-0AL0 Marine Master Prospex | A limited edition stainless steel, ceramic, and titanium wristwatch with date, Circa 2018.

Seiko

Reference 7C46-0AL0 Marine Master Prospex | A limited edition stainless steel, ceramic, and titanium wristwatch with date, Circa 2018

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Lot Closed

December 10, 04:37 PM GMT

Estimate

1,000 - 2,000 USD

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Lot Details

Description

Dial: black

Caliber: Cal. 7C46 quartz, jeweled

Case: stainless steel, ceramic, and titanium, case back secured by four screws

Case number: 0042/1978

Closure: Seiko buckle

Size: 49mm diameter

Signed: case, dial, and movement

Box: yes

Papers: yes

Accessories: Seiko Certificate of Guarantee dated September, 2018, instruction manuals and booklets, hang tags

In 1975, a professional diver from Hiroshima challenged Seiko to create a watch capable of withstanding depths greater than 300 meters. The result was the world’s first titanium-cased diver’s watch, a milestone in underwater timekeeping.


To commemorate the 40th anniversary of this achievement, Seiko reissued the model with updated materials and technology. Produced in a limited edition of 1,978 pieces, the present example is numbered 42.