1. المقدمة
Thank you for choosing the SEIKO Prospex Speedtimer Solar Chronograph SSC913. This timepiece combines precision engineering with a stylish design, featuring a blue dial with a sunray finish and red accents. Powered by light energy, it offers reliable performance without the need for battery changes. This manual provides essential information for the proper setup, operation, and maintenance of your watch.

الصورة 1.1: أمام view of the SEIKO Prospex Speedtimer Solar Chronograph SSC913, showcasing its blue sunray dial, chronograph subdials, and stainless steel bracelet.
2. الإعداد الأولي والشحن
2.1 الرسوم الأولية
Your SEIKO Prospex Speedtimer is powered by light energy. Upon receiving your watch, ensure it is exposed to sufficient light to begin charging. A full charge provides approximately 6 months of power reserve. Place the watch in direct sunlight or under strong artificial light for several hours to ensure it is adequately charged before initial use.
2.2 ضبط الوقت والتاريخ
- أخرج التاج: Gently pull the crown out to the second click position. The second hand will stop.
- ضبط الوقت: Turn the crown to set the hour and minute hands. Ensure the 24-hour hand is also set correctly (e.g., if it's 3 PM, set the 24-hour hand to 15).
- حدد التاريخ: Push the crown back to the first click position. Turn the crown to adjust the date. Avoid setting the date between 9 PM and 1 AM to prevent damage to the movement.
- ادفع التاج للداخل: بعد ضبط الوقت والتاريخ، ادفع التاج إلى وضعه الطبيعي. سيعود عقرب الثواني إلى حركته الطبيعية.

الصورة 2.1: سايد بروfile of the watch, highlighting the crown and chronograph pushers for time and function adjustments.
3. Operating Your Chronograph
The chronograph function allows for precise time measurement up to 60 minutes in 1/5 second increments.
3.1 بدء وإيقاف الكرونوغراف
- اضغط على الزر العلوي (A) لتشغيل الكرونوغراف. سيبدأ عقرب الثواني في الكرونوغراف بالتحرك.
- Press the upper pusher (A) again to stop the chronograph. The elapsed time will be indicated by the chronograph second hand and minute hand.
3.2 إعادة ضبط الكرونوغراف
- After stopping the chronograph, press the lower pusher (B) to reset it. All chronograph hands will return to their zero positions.
3.3 وظيفة مقياس سرعة الدوران
The tachymeter scale on the bezel can be used to measure speed over a known distance (e.g., 1 kilometer or 1 mile). Start the chronograph at the beginning of the distance. When the unit distance is completed, stop the chronograph. The number on the tachymeter scale indicated by the chronograph second hand is the average speed per hour.
4. الرعاية والصيانة
4.1 مقاومة الماء
Your watch is water resistant to 10 bar (100 meters / 330 feet). This means it is suitable for swimming and snorkeling, but not for scuba diving. Always ensure the crown is pushed in completely before exposing the watch to water.
4.2 التنظيف
Wipe the watch case and bracelet regularly with a soft, dry cloth to remove dirt and moisture. For stubborn dirt, use a soft brush with mild soap and water, then rinse thoroughly and dry. Avoid using harsh chemicals or abrasive materials.
4.3 العناية بالكريستال
The watch features a curved sapphire crystal with an anti-reflective coating on the inner surface. Sapphire is highly scratch-resistant but not entirely scratch-proof. Avoid impacts and contact with hard surfaces to maintain its pristine condition.
4.4 LumiBrite
The hands and markers are coated with LumiBrite, a luminous paint that absorbs light energy and emits it in the dark. For optimal glow, expose the watch to bright light for a few minutes before entering a dark environment.

الصورة 4.1: The SEIKO Prospex Speedtimer SSC913 displayed in a lifestyle setting, emphasizing its versatility for daily wear.
5. استكشاف الأخطاء وإصلاحها
5.1 Watch Not Running or Stopping
- رسوم غير كافية: Ensure the watch is exposed to sufficient light for several hours to fully charge the solar cell.
- موقف التاج: Check that the crown is pushed in completely to the normal position.
5.2 عقارب الكرونوغراف لا تعود إلى الصفر
- إجراء إعادة الضبط: Ensure you are following the correct reset procedure (press the lower pusher B after stopping the chronograph). If hands are misaligned, refer to the detailed manual for specific calibration steps.
5.3 Date Not Changing Correctly
- ضبط المنطقة الزمنية: Ensure the time is set correctly, especially the AM/PM distinction, as this affects the date change.
- الضبط اليدوي: If the date is stuck, manually advance the date using the crown (first click position) until it is correct.
6. المواصفات
| رقم الموديل | SSC913 |
| حركة | كوارتز شمسي (عيار V192) |
| مادة العلبة | الفولاذ المقاوم للصدأ |
| قطر العلبة | 41.4 ملم |
| سمك العلبة | 13 ملم |
| Case Length (Lug-to-Lug) | 45.9 ملم |
| عرض العروة | 21 ملم |
| كريستال | Curved Sapphire Crystal |
| لون المينا | Blue with Sunray Finish |
| Luminous Material | LumiBrite on hands and markers |
| نوع المشبك | Tri-Fold Push Button Release Clasp |
| مقاومة الماء | 10 بار (100 متر / 330 قدم) |
| احتياطي الطاقة | Approx. 6 months (once fully charged) |
| الوظائف | Chronograph (up to 60 min in 1/5 sec increments), 24-hour hand, Date display, Overcharge prevention function |

الصورة 6.1: مؤخرة view of the watch, detailing the stainless steel caseback and the secure tri-fold push-button release clasp.
7. الضمان والدعم
For detailed warranty information, please refer to the warranty card included with your purchase. SEIKO offers comprehensive customer support for all its products. If you encounter any issues or require assistance, please contact SEIKO customer service or an authorized service center.
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