Seiko Cal. 7091 - 240

This Automatic model from 1972 features a 41mm Hardlex-Coated Steel case. Powered by the 7091 caliber with 31j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-4585aa08106e]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1972

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