High-accuracy quartz (HAQ) watches offer incredible precision and convenience. Two of the finest HAQ makers are Grand Seiko and Citizen. Today, we'll compare two excellent models: the Grand Seiko SBGV247 (a similar, readily available model to the discontinued SB GV26 ) and the limited edition Citizen 'The Citizen' AQ4091-56E. Specifications and Features Specification Grand Seiko SBGV247 Citizen AQ4091-56E Notes Case Material Stainless Steel Super Titanium (Duratect Alpha) Super Titanium is much lighter and offers superior scratch resistance. Case Size 40mm 40mm A versatile size for most wrists. Thickness 10.4mm 12.2mm The Citizen's perpetual calendar mechanism adds slightly to the thickness. Movement Grand Seiko Caliber 9F82 (HAQ) Citizen Caliber A060 (HAQ, Eco-Drive) Both movements ensure remarkable timekeeping precision. Accuracy +/- 10 seconds per year +/- 5 seconds per year Citizen has a slight edge in accuracy. Water Resistance 100 meters (10 bar) 100 meters (10 b
High-accuracy quartz (HAQ) watches offer incredible precision and convenience. Two of the finest HAQ makers are Grand Seiko and Citizen. Today, we'll compare two excellent models: the Grand Seiko SBGV247 (a similar, readily available model to the discontinued SB GV26 ) and the limited edition Citizen 'The Citizen' AQ4091-56E. Specifications and Features Specification Grand Seiko SBGV247 Citizen AQ4091-56E Notes Case Material Stainless Steel Super Titanium (Duratect Alpha) Super Titanium is much lighter and offers superior scratch resistance. Case Size 40mm 40mm A versatile size for most wrists. Thickness 10.4mm 12.2mm The Citizen's perpetual calendar mechanism adds slightly to the thickness. Movement Grand Seiko Caliber 9F82 (HAQ) Citizen Caliber A060 (HAQ, Eco-Drive) Both movements ensure remarkable timekeeping precision. Accuracy +/- 10 seconds per year +/- 5 seconds per year Citizen has a slight edge in accuracy. Water Resistance 100 meters (10 bar) 100 meters (10 b
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