Seiko Cal. 4591 - 692

The Seiko 4591-692 represents an important milestone in Seiko's 1971 lineup. Powered by the 4591 caliber with 20j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-f8e4cb9c9a68]

Also known as: Navigator, Emperor

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

12.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1971

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