Seiko Cal. 4426 - 917

The Seiko 4426-917 represents an important milestone in Seiko's 1968 lineup. Powered by the 4426 caliber with 28j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-7aa906c21fc3]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1968

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