Seiko Cal. 3887 - 709

This Automatic model from 1974 features a 35mm Stainless Steel case. Powered by the 3887 caliber with 23j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-0c21b622e2e7]

Also known as: World Timer, Arnie

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Champagne

Jewels

23j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1974

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