Seiko Cal. 6230 - 554

This Spring Drive model from 1990 features a 38mm Titanium case. Powered by the 6230 caliber with 22j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-9bce96351f93]

Also known as: Helmet, World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1990

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