Seiko Cal. 0731 - 476

This Hand-Winding model from 1970 features a 34mm Hardlex-Coated Steel case. Powered by the 0731 caliber with 29j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-ecc942cc6320]

Also known as: Silverwave, Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

29j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1970

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