Seiko Cal. 4424 - 670

The 4424-670 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4424 caliber with 33j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-dcdd445ec302]

Also known as: Monster, Shogun

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1972

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