Seiko Cal. 3850 - 856

The Seiko 3850-856 represents an important milestone in Seiko's 1974 lineup. With its 19mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-70cbcb7496bb]

Also known as: Sumo, World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Burgundy

Jewels

27j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1974

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