Seiko Cal. 7154 - 363

This Automatic model from 1975 features a 38mm Hardlex-Coated Steel case. Powered by the 7154 caliber with 22j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-b4a084636a87]

Also known as: Sumo, Arnie

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Navy

Jewels

22j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1975

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