Seiko Cal. 4446 - 448

This Spring Drive model from 1987 features a 44mm PVD Black case. Powered by the 4446 caliber with 22j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-cad6f1cd1b7b]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1987

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