Seiko Cal. 6637 - 283

This Hand-Winding model from 1982 features a 36mm Titanium case. Powered by the 6637 caliber with 34j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-4dc12f7e163e]

Also known as: Shogun

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1982

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