Seiko Cal. 3863 - 446

Seiko 3863-446

Released in 1981, the Cal. 3863 with design code 446 was part of Seiko's domestic market collection. Powered by the 3863 caliber with 31j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-c97c0ab27abe]

Also known as: Turtle, Sumo

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
40mm
Case Thickness
14.8mm
Lug Width
22mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
Champagne
Jewels
31j
Frequency
21,600 bph
Power Reserve
72 hours
Year
1981

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seikata-wm-c97c0ab27abe