Seiko Cal. 6387 - 277

This Quartz model from 1972 features a 46mm PVD Black case. Powered by the 6387 caliber with 29j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-ff8aa840f8e1]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1972

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