Seiko Cal. 0717 - 428

The Seiko 0717-428 represents an important milestone in Seiko's 1984 lineup. Powered by the 0717 caliber with 35j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-0b1cb45f550d]

Also known as: Tuna, Crown

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1984

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