Seiko Cal. 4439 - 539

This Kinetic model from 1965 features a 43mm Two-Tone case. With its 18mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-a8c32ec1be84]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1965

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