Seiko Cal. 3863 - 612

Seiko 3863-612

The 3863-612 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3863 caliber with 26j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-32ebdf6d2010]

Also known as: Helmet, Navigator

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
36mm
Case Thickness
14.3mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
Burgundy
Jewels
26j
Frequency
36,000 bph
Power Reserve
47 hours
Year
1980

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