Seiko Cal. 3866 - 505

Seiko 3866-505

The 3866-505 is a sought-after Solar piece from Seiko's golden era. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-ddb3e8230af1]

Also known as: Tuna, Silverwave

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
8.2mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
Cream
Jewels
23j
Frequency
21,600 bph
Power Reserve
40 hours
Year
1987

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