Seiko Cal. 7031 - 100

This Hand-Winding model from 1980 features a 36mm PVD Black case. It features a Navy dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-3c2071ffbbf3]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Navy

Jewels

19j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1980

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