Seiko Cal. 6638 - 968

The Seiko 6638-968 represents an important milestone in Seiko's 1988 lineup. Powered by the 6638 caliber with 35j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-7de423205299]

Also known as: Samurai, Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

35j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1988

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