Seiko Cal. 5628 - 973

This Hand-Winding model from 1966 features a 46mm PVD Black case. Powered by the 5628 caliber with 36j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-a4c4c799c0a7]

Also known as: Sumo, Silverwave

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Burgundy

Jewels

36j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1966

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