Seiko Cal. 3850 - 478

The Seiko 3850-478 represents an important milestone in Seiko's 1975 lineup. With its 18mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-5ae5ec56b801]

Also known as: Sumo, World Timer

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1975

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