Seiko Cal. 3877 - 180

This Hand-Winding model from 1983 features a 37mm Hardlex-Coated Steel case. Powered by the 3877 caliber with 35j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-8b7c94e3ce01]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1983

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