Seiko Cal. 3850 - 477

The Seiko 3850-477 represents an important milestone in Seiko's 1974 lineup. With its 19mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-a05f5ee71401]

Also known as: Sumo, Bullhead

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Cream

Jewels

32j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1974

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