Seiko Cal. 6331 - 572

This Hand-Winding model from 1976 features a 39mm PVD Black case. It features a Navy dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-9101c0ff343b]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1976

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