Seiko Cal. 6387 - 580

This Spring Drive model from 1971 features a 34mm Two-Tone case. Powered by the 6387 caliber with 20j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-9cb68d47819f]

Also known as: Shogun

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1971

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