Seiko Cal. 5641 - 762

This Automatic model from 1973 features a 39mm PVD Black case. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-5316db81bc69]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1973

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