Seiko Cal. 0762 - 631

The 0762-631 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0762 caliber with 21j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-dbe23a4f75b5]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

8.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1987

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