Seiko Cal. 3831 - 173

This Quartz model from 1965 features a 44mm PVD Black case. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-2d8cc23520be]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Green

Jewels

33j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1965

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