Seiko Cal. 6634 - 732

This Spring Drive model from 1988 features a 39mm Titanium case. Powered by the 6634 caliber with 25j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-27b99b79cfd7]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1988

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