Seiko Cal. 0791 - 180

This Spring Drive model from 1971 features a 37mm Gold-Plated case. It features a Black dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-97f7740eaaf8]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1971

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