Seiko Cal. 3890 - 926

This Spring Drive model from 1974 features a 41mm Titanium case. Powered by the 3890 caliber with 23j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-e899cb251a9a]

Also known as: Helmet, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Champagne

Jewels

23j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1974

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