Seiko Cal. 6391 - 600

This Spring Drive model from 1991 features a 42mm Gold-Plated case. Powered by the 6391 caliber with 28j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-dd2b22c02d76]

Also known as: World Timer, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1991

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