Seiko Cal. 4448 - 937

This Hand-Winding model from 1979 features a 44mm PVD Black case. Powered by the 4448 caliber with 29j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-c56791563096]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

29j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1979

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