Seiko Cal. 6387 - 187

The Seiko 6387-187 represents an important milestone in Seiko's 1978 lineup. Powered by the 6387 caliber with 33j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-e6ebb577d841]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Green

Jewels

33j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1978

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