Seiko Cal. 4437 - 378

This Kinetic model from 1969 features a 42mm PVD Black case. With its 20mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-63a13deeb64f]

Also known as: Monster, Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

42mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1969

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