Seiko Cal. 4445 - 331

This Spring Drive model from 1988 features a 42mm Gold-Plated case. Powered by the 4445 caliber with 26j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-f9eb0c617e1f]

Also known as: Samurai, Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

14.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

26j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1988

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