Seiko Cal. 0722 - 917

The Seiko 0722-917 represents an important milestone in Seiko's 1972 lineup. Powered by the 0722 caliber with 31j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-18838308b4e1]

Also known as: Bellmatic, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Burgundy

Jewels

31j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1972

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