Seiko Cal. 3820 - 861

Seiko 3820-861

This Automatic model from 1985 features a 37mm Two-Tone case. With its 18mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-3373a2000ea6]

Also known as: Monster, Bullhead

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
37mm
Case Thickness
11.3mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
90m
Dial Color
Champagne
Jewels
29j
Frequency
36,000 bph
Power Reserve
61 hours
Year
1985

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seikata-wm-3373a2000ea6