Seiko Cal. 6387 - 137

This Automatic model from 1975 features a 37mm Gold-Plated case. Powered by the 6387 caliber with 27j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-d2eaa873120e]

Also known as: UFO, World Timer

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1975

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