Seiko Cal. 3820 - 416

This Spring Drive model from 1993 features a 46mm Hardlex-Coated Steel case. With its 20mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-0af6ead976c2]

Also known as: Bullhead, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1993

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