Seiko Cal. 4426 - 915

This Spring Drive model from 1991 features a 37mm Stainless Steel case. Powered by the 4426 caliber with 32j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-13482e573017]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Burgundy

Jewels

32j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1991

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