Seiko Cal. 4531 - 680

This Hand-Winding model from 1983 features a 35mm Two-Tone case. Powered by the 4531 caliber with 20j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-ad9040350ad6]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1983

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