Seiko Cal. 4446 - 331

This Hand-Winding model from 1976 features a 34mm PVD Black case. Powered by the 4446 caliber with 23j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-7856147232bc]

Also known as: Shogun, UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1976

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