Seiko Cal. 4422 - 397

The Seiko 4422-397 represents an important milestone in Seiko's 1976 lineup. Powered by the 4422 caliber with 17j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-2767cecbea19]

Also known as: Turtle, Sportsmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

41mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

White

Jewels

17j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1976

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