Seiko Cal. 7090 - 743

The Seiko 7090-743 represents an important milestone in Seiko's 1991 lineup. Powered by the 7090 caliber with 26j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-cae8b95b6b56]

Also known as: Helmet, Navigator

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1991

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