Seiko Cal. 0730 - 399

This Quartz model from 1971 features a 40mm Two-Tone case. Powered by the 0730 caliber with 22j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-09d02c71c7d0]

Also known as: Monster, Goldfeather

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1971

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