Seiko Cal. 4481 - 937

This Solar model from 1965 features a 41mm Titanium case. Powered by the 4481 caliber with 30j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-f8324e7d5146]

Also known as: Helmet, Emperor

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1965

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