Seiko Cal. 4442 - 343

This Spring Drive model from 1965 features a 46mm PVD Black case. Powered by the 4442 caliber with 31j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-2c3ec2493697]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1965

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