Seiko Cal. 4426 - 900

The 4426-900 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4426 caliber with 23j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-6e0f2f647616]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1970

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