Seiko Cal. 4424 - 154

This Automatic model from 1973 features a 35mm Stainless Steel case. Powered by the 4424 caliber with 33j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-6f7ced9291f8]

Also known as: Helmet, UFO

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

33j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1973

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