Seiko Cal. 6154 - 739

This Spring Drive model from 1979 features a 36mm Stainless Steel case. Powered by the 6154 caliber with 34j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-c5083435c186]

Also known as: Silverwave, World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1979

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