Seiko Cal. 7181 - 724

This Hand-Winding model from 1966 features a 34mm Titanium case. It features a Navy dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-5e304d6a948a]

Also known as: Sumo, Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

34mm

Case Thickness

14.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1966

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