Seiko Cal. 4437 - 616

This Kinetic model from 1971 features a 40mm Two-Tone case. With its 20mm lug width and 14.9mm profile, it sits comfortably on most wrists. [seikata-wm-c09d4cf2de56]

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1971

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