Seiko Cal. 3863 - 103

Seiko 3863-103

The 3863-103 is a sought-after Solar piece from Seiko's golden era. Powered by the 3863 caliber with 32j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-b9e076c04c0e]

Also known as: Tuna, Helmet

Specifications

Movement
Solar
Case Material
Titanium
Case Width
36mm
Case Thickness
10.1mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
50m
Dial Color
Burgundy
Jewels
32j
Frequency
21,600 bph
Power Reserve
65 hours
Year
1994

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