Seiko Cal. 4437 - 478

This Kinetic model from 1966 features a 37mm PVD Black case. With its 20mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-1a1056dd9ea5]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1966

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