Seiko Cal. 6638 - 281

This Kinetic model from 1976 features a 35mm Hardlex-Coated Steel case. Powered by the 6638 caliber with 21j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-e88c6484c774]

Also known as: Samurai

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1976

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