Seiko Cal. 6638 - 968

Seiko 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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seikata-wm-7de423205299