Seiko Cal. 3864 - 366

Seiko 3864-366

The 3864-366 is a sought-after Solar piece from Seiko's golden era. Powered by the 3864 caliber with 25j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-a7750f36a700]

Also known as: Sumo, Silverwave

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
46mm
Case Thickness
13.6mm
Lug Width
21mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
120m
Dial Color
Silver
Jewels
25j
Frequency
28,800 bph
Power Reserve
42 hours
Year
1981

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seikata-wm-a7750f36a700