Seiko Cal. 5644 - 976

This Automatic model from 1972 features a 41mm PVD Black case. With its 20mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-dcc319302532]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1972

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