Seiko Cal. 4442 - 847

This Automatic model from 1981 features a 36mm Stainless Steel case. Powered by the 4442 caliber with 27j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-524663a5bf4d]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1981

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