Seiko Cal. 6632 - 478

This Solar model from 1974 features a 36mm PVD Black case. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-6c5ae650a276]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1974

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