Seiko Cal. 7091 - 840

The Seiko 7091-840 represents an important milestone in Seiko's 1975 lineup. Powered by the 7091 caliber with 21j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-d415e0682f3e]

Also known as: Samurai

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1975

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