Seiko Cal. 4450 - 449

This Hand-Winding model from 1981 features a 39mm Stainless Steel case. Powered by the 4450 caliber with 19j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-cd9ded2c709d]

Also known as: Sumo, Emperor

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Green

Jewels

19j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1981

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