Seiko Cal. 7139 - 546

The Seiko 7139-546 represents an important milestone in Seiko's 1972 lineup. Powered by the 7139 caliber with 21j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-cf8e73274475]

Also known as: Sea Horse

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

41mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1972

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