Seiko Cal. 7090 - 850

The Seiko 7090-850 represents an important milestone in Seiko's 1987 lineup. Powered by the 7090 caliber with 19j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-ebf5cb4f1b3d]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1987

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