Seiko Cal. 6158 - 599

This Spring Drive model from 1972 features a 41mm Titanium case. Powered by the 6158 caliber with 23j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-af8a7eec1b33]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1972

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