Seiko Cal. 3887 - 690

This Hand-Winding model from 1973 features a 35mm Gold-Plated case. Powered by the 3887 caliber with 27j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-6f333443b830]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1973

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