Seiko Cal. 3891 - 146

This Hand-Winding model from 1991 features a 40mm Gold-Plated case. Powered by the 3891 caliber with 35j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-87d904de3a2b]

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1991

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