Seiko Cal. 7091 - 550

The Seiko 7091-550 represents an important milestone in Seiko's 1971 lineup. Powered by the 7091 caliber with 26j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-fedd2c7eefb4]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1971

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