Seiko Cal. 7138 - 832

This Hand-Winding model from 1981 features a 40mm Titanium case. It features a Navy dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-d5e8a1e10acf]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1981

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