Seiko Cal. 4442 - 306

This Hand-Winding model from 1972 features a 34mm PVD Black case. With its 21mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-dd0ef52d02de]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1972

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