Seiko Cal. 0731 - 403

This Quartz model from 1978 features a 34mm Stainless Steel case. Powered by the 0731 caliber with 31j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-ed5d4fd534eb]

Also known as: Goldfeather

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1978

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