Seiko Cal. 4420 - 441

This Spring Drive model from 1983 features a 36mm Gold-Plated case. With its 18mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-d7809ab328e6]

Also known as: Pogue, Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1983

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