Seiko Cal. 4566 - 739

The Seiko 4566-739 represents an important milestone in Seiko's 1965 lineup. Powered by the 4566 caliber with 36j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-960e0f299641]

Also known as: World Timer, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Burgundy

Jewels

36j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1965

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