Seiko Cal. 6648 - 312

Seiko 6648-312

The 6648-312 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6648 caliber with 23j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-c07b8d911ff5]

Also known as: Shogun, Sea Horse

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
34mm
Case Thickness
15.6mm
Lug Width
22mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
Black
Jewels
23j
Frequency
28,800 bph
Power Reserve
39 hours
Year
1977

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