Seiko Cal. 6642 - 737

This Solar model from 1976 features a 34mm PVD Black case. It features a Black dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-4b1055cc3337]

Also known as: Emperor

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

34mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1976

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