Seiko Cal. 3871 - 640

This Solar model from 1970 features a 44mm Stainless Steel case. Powered by the 3871 caliber with 34j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-7eae10a77c5c]

Also known as: Silverwave

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1970

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