1. Acabatview
The Omega Seamaster 300M Chronometer Model 2222.80 is a precision Swiss-made automatic timepiece designed for reliability and performance, particularly in aquatic environments. This watch features a robust stainless steel case and bracelet, a scratch-resistant sapphire crystal, and a distinctive blue dial with luminous hands and hour markers for enhanced readability. Its automatic Co-Axial movement ensures accurate timekeeping, while the unidirectional rotating bezel and 300-meter water resistance make it suitable for professional diving. This manual provides essential information for the proper setup, operation, and care of your Omega Seamaster watch.

Figura 1.1: Davant view of the Omega Seamaster 300M Chronometer Model 2222.80. This image displays the watch's blue dial, luminous hands, date window at the 3 o'clock position, and the blue unidirectional rotating bezel with minute markers.
2. Setup and Initial Winding
2.1 Desembalatge i inspecció
Carefully remove your Omega Seamaster watch from its packaging. Inspect the watch for any visible damage. Ensure all accompanying documents, including the warranty card and instruction manual, are present.

Figura 2.1: The Omega Seamaster watch packaging, including the watch box, international warranty card, and the operating instructions manual.
2.2 Manual Winding
Your Omega Seamaster 2222.80 is an automatic mechanical watch. If the watch has stopped, it requires manual winding to initiate movement. To manually wind the watch:
- Unscrew the crown counter-clockwise until it springs out to position 1.
- Turn the crown clockwise approximately 20-30 times. This will provide sufficient power reserve to start the movement.
- The watch will then continue to wind itself through the motion of your wrist while worn. A full power reserve is approximately 48 hours.
2.3 Configuració de l'hora i la data
To set the time and date on your watch:
- Configuració de la data: Pull the crown out to position 2. Turn the crown either clockwise or counter-clockwise to adjust the date. Avoid setting the date between 9 PM and 3 AM, as this can damage the movement.
- Configuració de l'hora: Pull the crown out to position 3. The seconds hand will stop. Turn the crown to set the hour and minute hands. To ensure precise time setting, synchronize with a reliable time source.
- Once the time and date are set, push the crown back into position 1 and screw it clockwise firmly against the case to ensure water resistance.
3. Funcionament
3.1 Bisell giratori unidireccional
The Omega Seamaster 2222.80 features a unidirectional rotating bezel, which is a crucial safety feature for divers. It rotates only counter-clockwise to prevent accidental increases in dive time. To use the bezel:
- Align the triangle marker on the bezel with the minute hand at the start of your dive or timed event.
- La maneta dels minuts indicarà el temps transcorregut contra l'escala del bisell.
- The unidirectional rotation ensures that if the bezel is accidentally moved, it will only indicate a shorter elapsed time, thus providing a safety margin for divers.
3.2 Resistència a l'aigua
Your Omega Seamaster 2222.80 is water resistant to 300 meters (1000 feet). This makes it suitable for professional diving, including scuba diving to a depth of 30 meters for up to 2 hours. To maintain water resistance:
- Always ensure the crown is fully screwed down against the case before exposing the watch to water.
- No feu funcionar la corona ni els polsadors (si n'hi ha) mentre el rellotge estigui submergit o mullat.
- Després de l'exposició a l'aigua salada, esbandiu bé el rellotge amb aigua neta i eixugueu-lo amb un drap suau.
Important: Water resistance is not a permanent condition and may be affected by aging gaskets or accidental impacts. Regular checks are recommended.
4. Cura i Manteniment
4.1 Neteja
To clean your Omega Seamaster watch:
- Utilitzeu un suau, damp cloth to wipe the case and bracelet.
- For more thorough cleaning, especially after swimming in chlorinated or saltwater, use a mild soap solution and a soft brush, ensuring the crown is fully screwed down. Rinse thoroughly with fresh water afterwards.
- Dry the watch completely with a soft, lint-free cloth.
4.2 Intervals de servei
Like any precision instrument, your Omega automatic watch requires periodic servicing to ensure optimal performance and longevity. It is recommended to have your watch serviced by an authorized Omega service center every 5-7 years. This service typically includes:
- Complete disassembly, cleaning, and lubrication of the movement.
- Replacement of worn components.
- Restoration of water resistance (replacement of gaskets).
- Case and bracelet cleaning and refinishing.
4.3 Precaucions generals
- Eviteu exposar el rellotge a temperatures extremes (superiors a 60 °C / 140 °F o inferiors a 0 °C / 32 °F) o a canvis sobtats de temperatura.
- Keep the watch away from strong magnetic fields, which can affect the accuracy of the mechanical movement.
- Protect your watch from impacts and shocks.

Figura 4.1: posterior view of the Omega Seamaster 300M Chronometer Model 2222.80, highlighting the engraved Seamaster hippocampus logo on the stainless steel case back.
5. Solució De Problemes
If you encounter issues with your Omega Seamaster, consider the following common solutions before seeking professional service:
| Problema | Causa possible | Solució |
|---|---|---|
| El rellotge s'ha aturat o funciona de manera imprecisa. | Reserva de marxa insuficient. | Manually wind the watch by turning the crown clockwise 20-30 times (after unscrewing it to position 1). Wear the watch regularly to keep it wound. |
| La data no canvia a mitjanit. | L'hora es configura com a AM en comptes de PM, o viceversa. | Avança l'hora 12 hores. Assegura't que la data canviï cap a la mitjanit, no cap al migdia. |
| Condensació sota el cristall. | Loss of water resistance or extreme temperature change. | Immediately take the watch to an authorized Omega service center. Do not attempt to dry it yourself. |
| La corona no es pot cargolar. | Cross-threaded or debris in the threads. | Do not force it. Gently try to align and screw down. If resistance persists, seek professional assistance to avoid damage and maintain water resistance. |
6. Especificacions tècniques
| Característica | Detall |
|---|---|
| Número de model | 2222.80 |
| Tipus de moviment | Swiss Automatic Co-Axial Chronometer |
| Reserva d'energia | Aproximadament 48 hores |
| Material de la caixa | Brushed and Polished Stainless Steel |
| Diàmetre de la caixa | 36.25 mm |
| Gruix de la caixa | 12 mm |
| Cristall | Scratch-resistant Sapphire |
| Color del dial | Blue, textured with luminous hands and markers |
| Bisell | Blue Unidirectional Rotating Bezel |
| Material de la polsera | Acer inoxidable |
| Amplada de banda | 18 mm |
| Tipus de tancament | Tancament desplegable |
| Resistència a l'aigua | 300 metres (1000 peus) |
| Funcions | Hores, Minuts, Segons, Data |
| Pes de l'article | 145 grams |
| UPC | 722630971092 |

Figura 6.1: General watch size guide. The Omega Seamaster 2222.80 has a case diameter of 36.25mm, falling within the 34-36mm range shown.
7. Garantia i Suport
7.1 Informació de la garantia
Your Omega Seamaster 300M Chronometer is covered by an international warranty. The warranty card, included with your watch, contains specific details regarding the coverage period and terms. Please retain this card and your proof of purchase for any warranty claims. The warranty typically covers manufacturing defects but does not cover normal wear and tear, accidental damage, or damage resulting from improper use or unauthorized repairs.
7.2 Atenció al client
For any questions, service requests, or technical assistance, please contact an authorized Omega boutique or service center. You can find a list of authorized service providers on the official Omega website. Always ensure that any service or repair work is carried out by certified Omega technicians to preserve the integrity and warranty of your timepiece.