Seiko Cal. 3866 - 513

Seiko 3866-513

The 3866-513 is a sought-after Solar piece from Seiko's golden era. Powered by the 3866 caliber with 28j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-8b7b40698930]

Also known as: Tuna, Golden Tuna

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
9.9mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
30m
Dial Color
Navy
Jewels
28j
Frequency
36,000 bph
Power Reserve
39 hours
Year
1971

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seikata-wm-8b7b40698930