Seiko Cal. 7154 - 123

This Spring Drive model from 1976 features a 41mm Hardlex-Coated Steel case. Powered by the 7154 caliber with 30j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-53b18eacc9bb]

Also known as: Silverwave, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1976

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