Seiko Cal. 3864 - 807

Seiko 3864-807

The 3864-807 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3864 caliber with 17j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-af29134f4071]

Also known as: Tuna, Sea Horse

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
12.0mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
Black
Jewels
17j
Frequency
36,000 bph
Power Reserve
61 hours
Year
1974

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seikata-wm-af29134f4071