Seiko Cal. 4441 - 704

The 4441-704 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4441 caliber with 21j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-4978ec23995c]

Also known as: Sumo, Bullhead

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1976

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