Seiko Cal. 3861 - 100

This Hand-Winding model from 1985 features a 42mm Two-Tone case. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-a3e3ce8741cc]

Also known as: Panda, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1985

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