Seiko Cal. 3873 - 128

This Hand-Winding model from 1982 features a 37mm Hardlex-Coated Steel case. Powered by the 3873 caliber with 25j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-26cac3d948e5]

Also known as: Shogun, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Silver

Jewels

25j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1982

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