Seiko Cal. 7181 - 604

This Hand-Winding model from 1967 features a 35mm Titanium case. Powered by the 7181 caliber with 22j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-4df18d7e3978]

Also known as: Sumo, Shogun

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1967

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