Seiko Cal. 0731 - 560

The Seiko 0731-560 represents an important milestone in Seiko's 1974 lineup. Powered by the 0731 caliber with 33j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-87a9c8b14462]

Also known as: Arnie

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Silver

Jewels

33j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1974

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