Seiko Cal. 4442 - 847

Seiko 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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