Seiko Cal. 3856 - 433

This Spring Drive model from 1985 features a 40mm Hardlex-Coated Steel case. With its 20mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-0179215c3620]

Also known as: UFO, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1985

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