Seiko Cal. 3863 - 390

Seiko 3863-390

The 3863-390 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3863 caliber with 28j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-4be1ed77146e]

Also known as: Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
46mm
Case Thickness
15.0mm
Lug Width
22mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Cream
Jewels
28j
Frequency
21,600 bph
Power Reserve
46 hours
Year
1980

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seikata-wm-4be1ed77146e