Seiko Cal. 7139 - 264

The Seiko 7139-264 represents an important milestone in Seiko's 1983 lineup. Powered by the 7139 caliber with 26j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-c1941e0e5843]

Also known as: UFO, Rally

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

26j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1983

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