Seiko Cal. 3866 - 181

This Hand-Winding model from 1993 features a 39mm Two-Tone case. With its 21mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-fa3a9032a105]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

White

Jewels

34j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1993

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