K5748 - Wristwatch Calypso - Free user manual and instructions
Find the device manual for free K5748 Calypso in PDF.
| Product type | Digital watch |
| Brand | Calypso |
| Model | K5748 |
| Display | Digital LCD |
| Main functions | Time, date, stopwatch, alarm, timer, electroluminescent backlight |
| Water resistance | Not waterproof – avoid any contact with water |
| Power | Button cell battery (type CR2016 or equivalent) |
| Battery life | Approximately 2 years |
| Case dimensions | Approximately 40 mm diameter |
| Thickness | Approximately 10 mm |
| Weight | Approximately 50 g |
| Case material | Plastic resin |
| Strap | Resin, adjustable length |
| Glass | Mineral |
| Backlight | Electroluminescent (EL) |
| Accuracy | +/- 30 seconds per month (estimated) |
| Operating temperature | -10°C to 50°C |
| Warranty | 2 years |
| Maintenance | Clean with a soft cloth and clean water; avoid chemicals (soap, etc.) |
| Repairability | User-replaceable battery; other parts not repairable |
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USER MANUAL K5748 Calypso
MANUEL D'INSTRUCTION
BETRIEBSANLEITUNG
MANUAL DE INSTRUÇÕES
CUIDADO DE SU RELOJ
- This watch contains electronic components. Never attempt to open the case or remove the back cover.
- Do not operate push buttons below the surface of the water while swimming or diving.
- Should water or condensation appear in the watch, have the watch checked immediately. Corrosion of electronic parts can occur inside the case.
- Avoid severe impact. The watch is designed to withstand impact under normal use. It is inadvisable to subject it to severe impact of rough usage.
- Avoid exposing the watch to extreme temperature.
- Clean the watch with soft cloth and clean water only. Avoid using chemicals.
- Keep your watch away from the conditions of strong electric field and estatic electricity.
REGULAR DISPLAY AND BUTTON OPERATION

BUTTON OPERATION
A SET / LIGHT ADJUST, START STOP
B MODE ADVANCE D
HOW TO CHANGE DISPLAY MODE
![graph TD A["NORMAL TIME"] --> B["CHRONOGRAPH"] B --> C["ALARM"] C --> D["REpetition COUNTDOWN TIMER ON"] D --> E["Repetitive COUNTDOWN TIMER OFF"] E --> F["AUTO SWITCH PER 2 SECONDS"] F --> G["12:00 CHRONO"] G --> H["12:00 CHRONO PER 2 SECONDS"] H --> I["12:00 CHRONO PER 2 SECONDS"] I --> J["12:00 C…](/content/2026/03/463355/images/fc17450d4c0f63f28fb3a54e0e175577aa700001acb6151262f51ca84d9e467d.jpg)
HOW TO USE EL LIGHT

Note
-
The backlight of the watch employs an electro-luminiscent light, watch tends to lose illuminating power after very ong use.
-
The illumination provided by backlight may be hard to see when viewed under direct sunlight.
-
No electro-luminiscent light under setting mode.
HOW TO CHANGE NORMAL TIME
![graph TD A["NORMAL TIME HOURS"] --> B["STAY 2 SECONDS"] B --> C["MINUTES"] C --> D["SECONDS"] D --> E["12 HOURS"] E --> F["24 HOURS"] F --> G["MONTHS / DATE MONTHS DATE"] G --> H["+ YEAR ADVANCE MONTH ADVANCE DATE"] subgraph SET SECONDS I["• Minutes do not advance and seconds return to zero when set…](/content/2026/03/463355/images/8e304c34b9522fef946fe04b5d4dee82d1970196c610feef88146b65ba9e2c1e.jpg)
SET SECONDS
- Minutes do not advance and seconds return to zero when set seconds before 30 seconds.
• Minutes advance and seconds return to zero when set seconds before 30 seconds. - Press "C" to advance the setting.
- Hold "D" for 2 seconds to revers the setting.
HOW TO USE THE CHRONOGRAPH
![graph TD A["NORMAL TIME"] --> B["12/48 58"] B --> C["00' 00 CHRONOGRAPH"] C --> D["START"] D --> E["02' 31 SPLIT"] E --> F["02' 33 0233"] F --> G["02' 33 0233"] G --> H["LAP"] H --> I["02' 33 0233"] I --> J["02' 33 0233"] J --> K["STOP SECOND LAP COUNTING STOP STAY 2 SECONDS"] K --> L["HOURS 1/100 S…](/content/2026/03/463355/images/d12484ffcd989ecf7282ea5c2437f6be02f0e0e218aa1e29ba5d562b19792f50.jpg)
HOW TO USE TIMER
![graph TD A["When timer has expired, the alarm (BI-BI-BI) lasting 10 seconds may be silenced by pressing any button."] --> B["NORMAL TIME"] B --> C["TIMER"] C --> D["STAY 2 SECONDS"] D --> E["SET HOURS"] E --> F["SET MINUTES"] F --> G["SET SECONDS"] G --> H["REPETITIVE COUNTDOWN TIMER OFF"] H --> I["…](/content/2026/03/463355/images/8ef67d6220f5e981e78002b76be65a2de98f156566bbd1aaa9a34e55a843e859.jpg)
HOW TO USE ALARM-1 AND CHIME DISPLAY
![graph TD A["NORMAL TIME"] --> B["12 an\n00\nalarm"] B --> C{HOLD FOR 2 SECONDS} C --> D["5E\nt\nalarm"] D --> E["STAY 2 SECONDS"] E --> F["0\nFF\nalarm"] F --> G["ALARM OFF"] G --> H["12 an\n00\nhour"] H --> I["+1 HOUR"] I --> J["12 an\n00\nhour"] J --> K["MINUTES"] K --> L["12 an\n00\nhour"] L -->…](/content/2026/03/463355/images/d807f959a15bf3c5b94b35e281329ef36b1bda072ac1ca95543d9dfcc7410650.jpg)
ENTRETIEN DE VOTRE MONTRE
COME REGOLARE L'ALLARME
![graph TD A["ORA NORMALE"] --> B["12-an alarm"] B --> C["TRASCORSI 2 SECONDS, CAMBIA LA VISUALIZZAZIONE"] C --> D["ALLARME"] D --> E["ALLARME ATTIVATA / DISATTIVATA"] E --> F["50 an alarm"] F --> G["PAUSA 2 SECONDS"] G --> H["ALLARME DISATTIVATA"] H --> I["ORE"] I --> J["12-an HOURS"] J --> K["MINUTI…](/content/2026/03/463355/images/046e996b43550817b4aed910917a67d9c2e2a3f8bc9e0b47233d42eba98484ed.jpg)