Seiko Cal. 6255 - 991

The Seiko 6255-991 represents an important milestone in Seiko's 1976 lineup. Powered by the 6255 caliber with 22j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-4916df32384c]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1976

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