| key specs |
| Display Size | 49mm | 46mm |
| Compatible OS | iOS | Android, iOS |
| Dial Shape | Rectangle | Round |
| Display Type | OLED Retina | AMOLED |
| Ideal For | Unisex | - |
| Strap Colour | - | Blue, Black, Silver |
| Strap Material | - | Stainless Steel |
| general |
| Brand | Apple | Citizen |
| Model | Watch Ultra 2 | CZ Smart |
| Release date | September 12, 2023 | November 17, 2020 |
| Model Name | Watch Ultra 2 | CZ Smart |
| Dial Shape | Rectangle | Round |
| Size | Large | Regular |
| Touchscreen | Yes | Yes |
| Water Resistant | Yes | 3ATM |
| Water Resistance Depth | 100m | 30 metres |
| Usage | Fitness & Outdoor | - |
| Ideal For | Unisex | - |
| Strap Material | - | Stainless Steel |
| Interchangeable Strap | - | Yes |
| Dial Material | - | Stainless Steel |
| Strap Colour | - | Blue, Black, Silver |
| Dial Colour | - | Black, Bue |
| product details |
| Maximum Operating Altitude | 9000 | - |
| Sensor | Compass, Always-On Altimeter, heart rate sensor, Accelerometer, Gyroscope, and Ambient light sensor | Heart rate sensor, Barometer, Accelerometer, Gyroscope |
| Compatible Device | iOS | Android, iOS |
| Notification | Yes | Yes |
| Battery Type | Lithium Ion | - |
| Battery Life | 36 Hours | 24+ hours |
| Rechargeable Battery | Yes | Yes |
| Charger Type | - | Magnetic |
| Other Features | - | 80 percent in 40 minutes |
| connectivity features |
| Call Function | Yes | - |
| Bluetooth | Yes | Yes |
| Wi-Fi | Yes | Yes |
| GPS | Yes | Yes |
| Call Features | International Emergency Calling | - |
| Other Connectivity Features | Emergency SOS | NFC, Wi-Fi |
| platform and storage features |
| Operating System | watchOS 10 | Wear OS |
| Compatible Operating System | iOS | Android, iOS |
| Processor Name | S9 SiP | - |
| Internal Memory | - | 8GB |
| camera and display features |
| Display Size | 49mm | 46mm |
| Display Type | OLED Retina | AMOLED |
| Backlight Display | Yes | - |
| Other Display Features | LTPO OLED Always-On Retina display | - |
| Display Resolution | - | 416x416 |
| Scratch Resistant | - | Corning Gorilla Glass |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | - |
| Heart Rate Monitor | Yes | Yes |
| Altimeter | Yes | - |
| Compass | Yes | - |
| Calendar | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Language | English | English |
| Other Fitness Features | Blood Oxgen Sensor, ECG sensor | - |
| Number of Buttons | - | 3 |
| Other Watch Functions | - | Notifications, alarms, reminders, controlling music |
| audio and video features |
| Speaker | Yes | Yes |
| Microphone | Yes | Yes |
| dimensions |
| Width | - | 1.81 |