HR1688 Quartz Clock Movement 8mm Compatible with DIY Clocks, 2 PCS

HR1688 Quartz Clock Movement 8mm Compatible with DIY Clocks, 2 PCS Description

Product Details ①. Nylon movement gear ensures smooth operation with low noise and extended service life ②. High-quality bright copper lacquer wire coil and nickel-iron stator piece provide power-saving performance ③. Precise timekeeping with crystal frequency of 32.768KHz for reliable time accuracy ④. Low current consumption less than 130μA helps save battery usage costs Specification ①. Movement type: HR1688 Quartz Clock Mechanism ②. Shaft length: 8mm (0.31 inches) ③. Time accuracy: 30 seconds per month (1.5V DC at 25C) ④. Operating voltage: 1.3V to 1.7V ⑤. Operating temperature: -10C to 50C (14F to 122F) ⑥. Power supply: 1.5V AA batteries (not included) ⑦. Weight: Approximately 25g per unit ⑧. Second hand specifications: Length 130mm, weight 2g, unbalance torque 0.15gf-cm ⑨. Minute hand specifications: Length 200mm, weight 6g, unbalance torque 6gf-cm ⑩. Output torque: Second hand 0.6gf-cm, minute hand 30gf-cm (at 1.5V) Package List ①. 2 x HR1688 Quartz Clock Mechanism Movements ②. Gold hexagonal flat nuts ③. Gold washers ④. Black rubber pads Warm Tips ①. Battery slot does not include battery cover ②. Use 1.5V AA batteries for optimal performance ③. Ensure hands meet specified length and weight requirements for proper operation ④. Store in dry environment away from extreme temperatures