Seiko Cal. 3864 - 246

Seiko 3864-246

The 3864-246 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3864 caliber with 29j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-f71fa23e9e54]

Also known as: Sportsmatic, Emperor

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
34mm
Case Thickness
14.4mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
Blue Sunburst
Jewels
29j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1990

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