SEIKO Solar Stopwatch SVAJ701 with NFC Data Communication Function

Glass material: acrylic glass Waterproof function: Reinforced waterproof for daily life (5 ATM water resistant) Case size: 72.2×60.3×21.0mm After-sales service: 1 year warranty Specifications: Monthly difference conversion ±30 seconds (when used at temperatures between 5 degrees Celsius and 35 degrees Celsius), NFC data communication function, lap/split measurement function, 1/100 second measurement, 100 hour meter, lap memory function (can record separately within 300 memories), solar charging function (with power save sleeve function)