Seiko Cal. 7139 - 137

The Seiko 7139-137 represents an important milestone in Seiko's 1990 lineup. Powered by the 7139 caliber with 32j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-7fc6be0afa7e]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

32j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1990

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