Seiko Cal. 3860 - 966

Seiko 3860-966

This Hand-Winding model from 1985 features a 43mm Two-Tone case. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-ca4b65e8a8ee]

Also known as: Helmet

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
43mm
Case Thickness
11.0mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
150m
Dial Color
Silver
Jewels
32j
Frequency
28,800 bph
Power Reserve
58 hours
Year
1985

Related Models

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