Seiko Cal. 7137 - 526

The Seiko 7137-526 represents an important milestone in Seiko's 1976 lineup. Powered by the 7137 caliber with 17j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-6fda86788ee8]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1976

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