Seiko Cal. 4539 - 440

This Kinetic model from 1971 features a 40mm Two-Tone case. With its 19mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-d26c909c3a13]

Also known as: Flighty

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1971

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