Seiko Cal. 7154 - 451

The Seiko 7154-451 represents an important milestone in Seiko's 1981 lineup. Powered by the 7154 caliber with 22j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-4d5264c22633]

Also known as: Sumo, Navigator

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

11.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1981

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