Seiko Cal. 7177 - 930

This Automatic model from 1972 features a 35mm Hardlex-Coated Steel case. Powered by the 7177 caliber with 36j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-b913c95b04e3]

Also known as: Sumo, Emperor

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

White

Jewels

36j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1972

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