Seiko Cal. 4596 - 686

The Seiko 4596-686 represents an important milestone in Seiko's 1970 lineup. Powered by the 4596 caliber with 27j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-c3cd27216284]

Also known as: World Timer, Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

27j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1970

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