Seiko Cal. 6635 - 979

This Hand-Winding model from 1992 features a 34mm Titanium case. Powered by the 6635 caliber with 31j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-1b551795977b]

Also known as: Bullhead, World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

34mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1992

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