Seiko Cal. 3859 - 661

Seiko 3859-661

This Automatic model from 1981 features a 39mm Hardlex-Coated Steel case. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-58a2cf7e87fa]

Also known as: Bullhead, Sportsmatic

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
10.4mm
Lug Width
20mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Black
Jewels
29j
Frequency
28,800 bph
Power Reserve
60 hours
Year
1981

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