Seiko Cal. 4426 - 609

This Spring Drive model from 1987 features a 43mm Titanium case. Powered by the 4426 caliber with 35j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-063e01c8ab99]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1987

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