Seiko Cal. 5643 - 112

This Hand-Winding model from 1984 features a 46mm PVD Black case. Powered by the 5643 caliber with 17j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-6dca1e1a8fd2]

Also known as: Silverwave, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Burgundy

Jewels

17j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1984

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