Seiko Cal. 0765 - 635

The Seiko 0765-635 represents an important milestone in Seiko's 1988 lineup. With its 19mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-b252fdaecdcb]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Green

Jewels

24j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1988

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