Seiko Cal. 3887 - 514

This Solar model from 1971 features a 43mm Gold-Plated case. Powered by the 3887 caliber with 27j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-938d1e3d0e0f]

Also known as: Sumo, Silverwave

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1971

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