Seiko Cal. 6648 - 423

Seiko 6648-423

The 6648-423 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6648 caliber with 25j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-6cd1d0a9e471]

Also known as: Tuna, Sea Horse

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
38mm
Case Thickness
12.4mm
Lug Width
18mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Green
Jewels
25j
Frequency
28,800 bph
Power Reserve
48 hours
Year
1991

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seikata-wm-6cd1d0a9e471