Seiko Cal. 3860 - 121

Seiko 3860-121

The 3860-121 is a sought-after Automatic piece from Seiko's golden era. With its 20mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-2a06c98a27e5]

Also known as: Monster, Crown

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
39mm
Case Thickness
10.9mm
Lug Width
20mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
White
Jewels
19j
Frequency
21,600 bph
Power Reserve
67 hours
Year
1966

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seikata-wm-2a06c98a27e5