Seiko Cal. 4568 - 578

This Spring Drive model from 1976 features a 34mm Stainless Steel case. Powered by the 4568 caliber with 31j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-e0536de9ae69]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1976

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