Seiko Cal. 3820 - 483

This Spring Drive model from 1972 features a 43mm Hardlex-Coated Steel case. With its 21mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-3811ed1f9d14]

Also known as: Tuna, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

24j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1972

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