Seiko Cal. 6256 - 991

This Spring Drive model from 1999 features a 37mm Stainless Steel case. Powered by the 6256 caliber with 30j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-9c8bd314b7b5]

Also known as: Turtle, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1999

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