Seiko Cal. 7112 - 591

This Spring Drive model from 1978 features a 40mm Two-Tone case. It features a Black dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-99e2c98fbea0]

Also known as: Navigator, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1978

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