Seiko Cal. 7139 - 652

The Seiko 7139-652 represents an important milestone in Seiko's 1991 lineup. Powered by the 7139 caliber with 19j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-9579711c9fe3]

Also known as: World Timer, Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Champagne

Jewels

19j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1991

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