Seiko Cal. 6643 - 937

This Quartz model from 1981 features a 39mm PVD Black case. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-e1c0eb5d5a9c]

Also known as: Pogue

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1981

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