Seiko Cal. 4443 - 439

This Spring Drive model from 1978 features a 36mm Hardlex-Coated Steel case. With its 19mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-ed9cd444cacb]

Also known as: Pogue, Rally

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1978

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