Seiko Cal. 3860 - 666

This Quartz model from 1985 features a 40mm Hardlex-Coated Steel case. Powered by the 3860 caliber with 22j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-0cdffb4d9228]

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1985

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