Seiko Cal. 3866 - 712

Seiko 3866-712

The 3866-712 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3866 caliber with 34j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-e3b69571700d]

Also known as: Monster

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
9.7mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
200m
Dial Color
Burgundy
Jewels
34j
Frequency
28,800 bph
Power Reserve
47 hours
Year
1986

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seikata-wm-e3b69571700d