Seiko Cal. 4574 - 104

This Automatic model from 1989 features a 40mm Hardlex-Coated Steel case. Powered by the 4574 caliber with 22j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-28750f10d74d]

Also known as: Helmet, World Timer

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1989

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