Seiko Cal. 4442 - 443

This Hand-Winding model from 1968 features a 42mm PVD Black case. Powered by the 4442 caliber with 18j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-a044815c957e]

Also known as: Samurai, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1968

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