Seiko Cal. 3866 - 205

The Seiko 3866-205 represents an important milestone in Seiko's 1965 lineup. With its 19mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-514b937f8976]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

22j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1965

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