Seiko Cal. 7139 - 233

The Seiko 7139-233 represents an important milestone in Seiko's 1976 lineup. Powered by the 7139 caliber with 27j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-dd2ca9e42812]

Also known as: Pogue, UFO

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1976

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