Seiko Cal. 0731 - 481

The Seiko 0731-481 represents an important milestone in Seiko's 1979 lineup. Powered by the 0731 caliber with 21j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-f12f3fd1e376]

Also known as: Arnie

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1979

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