Seiko Cal. 5644 - 156

This Automatic model from 1972 features a 39mm PVD Black case. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-8b9545b352a4]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Burgundy

Jewels

29j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1972

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