Specifications:
Brand: CITIZEN
Movement: 8200, JAPAN, 2 hands, Automatic
Oscillation frequency: Approximately 21,600 vibrations per hour
Jewels: 21
Power reserve: Approximately 39 hours
Functions: Date display, MON
Water resistance: 5Bar
Case diameter: 41mm
Case thickness: 11.4mm
Lug width: 20mm
Weight: 133g
Crystal: Synthetic sapphire
Water resistance rating: 50 meters
Maintenance: Regularly replace waterproof gaskets and crowns based on usage
Waterproof levels: Suitable for splashes, rain, washing hands, light swimming
Maintenance tips: Avoid high temperatures and water exposure, keep the watch dry
Operating tips: Adjust time clockwise, avoid magnetic fields, do not adjust time during date change
Accuracy: Within ±0.15 seconds for men's watches, ±0.2 seconds for women's watches at 12 o'clock position