Seiko Cal. 3861 - 376

Seiko 3861-376

This Automatic model from 1981 features a 45mm Two-Tone case. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-b87ce444a2c2]

Also known as: Sumo, Sportsmatic

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
45mm
Case Thickness
11.8mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
130m
Dial Color
Silver
Jewels
25j
Frequency
28,800 bph
Power Reserve
40 hours
Year
1981

Related Models

seikata-wm-b87ce444a2c2