Seiko Cal. 3861 - 640

This Quartz model from 1982 features a 39mm Stainless Steel case. Powered by the 3861 caliber with 25j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-b400928dc468]

Also known as: Silverwave, Sea Horse

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Champagne

Jewels

25j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1982

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