1. Utangulizi
Thank you for choosing the Seiko Men's SSC813 Prospex Solar Chronograph Watch. This timepiece combines precision engineering with solar-powered technology, offering reliable timekeeping and advanced chronograph functions. This manual provides essential information for the proper setup, operation, and care of your watch.

Kielelezo 1: Mbele view of the Seiko SSC813 Prospex Solar Chronograph Watch.
2. Sifa Muhimu
- Solar Powered Movement: Utilizes light energy, eliminating the need for battery replacement. Features a 6-month power reserve when fully charged.
- Kazi ya Chronograph: Measures elapsed time up to 60 minutes in 1/5 second increments.
- Kalenda ya Tarehe: Inaonyesha tarehe ya sasa.
- Kipigaji cha chini cha saa 24: Provides a 24-hour time display.
- LumiBrite: Enhanced luminescence on hands and markers for improved visibility in low-light conditions.
- Stainless Steel Case and Bracelet: Durable construction with a secure tri-fold push-button release clasp.
- Curved Sapphire Crystal: Offers superior scratch resistance and clarity, with an anti-reflective coating on the inner surface.
- Upinzani wa Maji: Rated for 100 meters (10 bar), suitable for swimming and snorkeling.
3. Usanidi wa Awali
3.1 Malipo ya Awali
Your Seiko SSC813 watch is powered by solar energy. Before initial use, or if the watch has stopped, expose it to bright light for several hours to ensure a full charge. The watch will operate for approximately 6 months on a full charge without further light exposure.
3.2 Kuweka Wakati na Tarehe
- Pull the crown out to the second click position. The small second hand will stop.
- Turn the crown to set the hour and minute hands. Ensure the 24-hour hand is also set correctly (e.g., if it's 10 AM, the 24-hour hand should point to 10; if it's 10 PM, it should point to 22).
- Push the crown back to the first click position.
- Turn the crown to set the date. Adjust until the correct date appears.
- Push the crown back to the normal position. The small second hand will resume movement.

Kielelezo 2: Pembe view of the watch, highlighting the crown and chronograph pushers.
4. Uendeshaji wa Chronograph
4.1 Kutumia Chronograph
Kipengele cha chronografi huruhusu kipimo sahihi cha muda uliopita.
- Press the upper pusher (A) to start the chronograph. The 1/5 second hand and 60-minute hand will begin moving.
- Press the upper pusher (A) again to stop the chronograph. The elapsed time will be displayed.
- Press the lower pusher (B) to reset the chronograph. All chronograph hands will return to their zero positions.
4.2 24-Hour Subdial
The subdial at the 3 o'clock position indicates the time in a 24-hour format, synchronized with the main hour hand. This is useful for distinguishing AM/PM hours.
4.3 Tachymeter Function
The bezel features a tachymeter scale, which can be used in conjunction with the chronograph to measure speed over a known distance (e.g., 1 kilometer or 1 mile). Start the chronograph at the beginning of the distance and stop it at the end. The point on the tachymeter scale indicated by the chronograph second hand will show the average speed in units per hour.

Figure 3: The Seiko SSC813 watch worn on a wrist, showcasing its design and proportions.
Video 1: A brief demonstration of the Seiko SSC813 watch on a wrist, highlighting its appearance and fit.
5. Matengenezo
5.1 Upinzani wa Maji
This watch has a water resistance rating of 100 meters (10 bar). It is suitable for everyday use, swimming, and snorkeling. Do not operate the crown or pushers while the watch is wet or submerged to prevent water intrusion.
5.2 Utunzaji na Usafishaji
- Wipe the watch regularly with a soft, dry cloth to remove dirt and moisture.
- For stainless steel parts, a mild soap solution and a soft brush can be used, followed by thorough rinsing and drying.
- Avoid exposing the watch to extreme temperatures, direct sunlight for prolonged periods (beyond charging needs), or strong magnetic fields.
- The LumiBrite on the hands and markers requires exposure to light to glow in the dark.
6. Utatuzi wa shida
Ukikumbana na matatizo yoyote na saa yako, tafadhali rejelea suluhisho zifuatazo za kawaida:
- Saa imesimama: Expose the watch to bright light for an extended period (several hours) to ensure it is fully charged.
- Muda/tarehe isiyo sahihi: Refer to Section 3.2 for instructions on how to set the time and date.
- Chronograph not resetting to zero: This may require a chronograph zero position adjustment. Consult the full user manual or a qualified service center.
For persistent issues or repairs, please contact an authorized Seiko service center.
7. Vipimo
| Kipengele | Maelezo |
|---|---|
| Nambari ya Mfano | SSC813 |
| Mwendo | Solar Quartz (Caliber V192) |
| Nyenzo ya Kesi | Chuma cha pua |
| Kioo | Curved Sapphire with Anti-Reflective Coating |
| Upinzani wa Maji | Mita 100 (pau 10) |
| Kipenyo cha Kesi | 39 mm |
| Unene wa Kesi | 13.3 mm |
| Lug-to-Lug Distance | 45.5 mm |
| Upana wa Lug | 20 mm |
| Hifadhi ya Nguvu | Approx. 6 months (when fully charged) |
| Kazi | Chronograph (up to 60 mins in 1/5 sec), Date, 24-hour hand, Power reserve indicator, Overcharge prevention |
| Uzito | gramu 161 |
8. Udhamini na Msaada
Your Seiko watch is covered by a limited warranty against defects in materials and workmanship. The specific terms and duration of the warranty may vary by region. Please refer to the warranty card included with your purchase for detailed information.
For warranty service, technical support, or to locate an authorized service center, please visit the official Seiko website or contact your local Seiko dealer. Always ensure that any repairs or maintenance are performed by authorized professionals to maintain the integrity and warranty of your watch.





