Seiko Cal. 3863 - 790

Seiko 3863-790

The 3863-790 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3863 caliber with 32j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-e734f6b16816]

Also known as: Turtle, Sumo

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
44mm
Case Thickness
13.8mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
Navy
Jewels
32j
Frequency
28,800 bph
Power Reserve
43 hours
Year
1983

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seikata-wm-e734f6b16816