Seiko Cal. 7170 - 742

The Seiko 7170-742 represents an important milestone in Seiko's 1968 lineup. Powered by the 7170 caliber with 19j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-35001b35e971]

Also known as: Navigator, Arnie

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Navy

Jewels

19j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1968

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