Seiko Cal. 4428 - 893

This Hand-Winding model from 1980 features a 38mm Stainless Steel case. Powered by the 4428 caliber with 20j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-9c2a05cf0ab7]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1980

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