Seiko Cal. 6641 - 228

This Spring Drive model from 1995 features a 38mm Stainless Steel case. Powered by the 6641 caliber with 27j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-c26c0c15d702]

Also known as: Bullhead, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Black

Jewels

27j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1995

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