Seiko Cal. 6648 - 243

Seiko 6648-243

The 6648-243 is a sought-after Solar piece from Seiko's golden era. Powered by the 6648 caliber with 26j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-1efb81898dfa]

Also known as: Sumo

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
13.4mm
Lug Width
20mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
White
Jewels
26j
Frequency
36,000 bph
Power Reserve
47 hours
Year
1993

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