1. Drosview
This manual provides essential instructions for the setup, operation, maintenance, and troubleshooting of your NIXON 51-30 Chrono A1389-5358-00 analog watch. This timepiece features a robust 51mm stainless steel case, a 25mm stainless steel band, Japanese Quartz movement, and a water resistance rating of 300 meters (30 ATM).

2. Gosod
2.1 Dadbocsio ac Archwiliad Cychwynnol
Carefully remove the watch from its packaging. Inspect the watch for any visible damage. Ensure all protective films are removed before use.
2.2 Gosod yr Amser
- Unscrew the crown (located at the 9 o'clock position) counter-clockwise until it pops out to position 1.
- Pull the crown out further to position 2. The second hand will stop.
- Trowch y goron i osod y dwylo awr a munud i'r amser a ddymunir.
- Push the crown back to position 1 and screw it clockwise firmly against the case to ensure water resistance.
2.3 Gosod y Dyddiad
- Unscrew the crown counter-clockwise until it pops out to position 1.
- Turn the crown clockwise to adjust the date. Avoid setting the date between 9 PM and 3 AM, as this may damage the movement.
- Once the date is set, push the crown back to position 1 and screw it clockwise firmly against the case.

2.4 Addasiad Breichled
The stainless steel bracelet may require adjustment for a comfortable fit. It is recommended to have this procedure performed by a professional jeweler or watchmaker to avoid damaging the links or pins.
3. Gweithredu'r Oriawr
3.1 Cadw amser
Once set, your NIXON 51-30 Chrono watch will accurately display the time using its Japanese Quartz movement. The large hour and minute hands indicate the current time, while the small sub-dial at the 6 o'clock position typically functions as the running seconds hand for continuous timekeeping.
3.2 Swyddogaeth Cronograff
The chronograph function allows for precise timing of events. The watch features two pushers on the left side of the case, above and below the crown.
- Dechrau/Stopio: Press the upper pusher to start the chronograph. Press it again to stop.
- Ail gychwyn: While the chronograph is stopped, press the lower pusher to reset all chronograph hands to their zero positions.
The sub-dials on the watch face measure elapsed time:
- The sub-dial at the 12 o'clock position measures chronograph minutes.
- The sub-dial at the 6 o'clock position measures chronograph hours (or running seconds, depending on the specific movement configuration).
- The large central second hand functions as the chronograph second hand.

3.3 Gwrthsefyll Dŵr
Your NIXON 51-30 Chrono watch is water resistant to 300 meters (30 ATM). This makes it suitable for professional marine activity and serious surface water sports, but not for saturation diving. Always ensure the crown is fully screwed in and the pushers are not operated while the watch is submerged or wet to maintain water resistance.
4. cynnal
4.1 Glanhau
I lanhau eich oriawr, sychwch y cas a'r freichled gyda lliain meddal, damp cloth. For stainless steel, a mild soap solution can be used, followed by rinsing with clean water and drying thoroughly. Avoid using harsh chemicals or abrasive materials.
4.2 Batri Newydd
The watch is powered by a nonstandard battery. When the battery runs low, the watch may stop or the second hand may skip. Battery replacement should be performed by a qualified watch technician to ensure proper sealing and maintain water resistance.
4.3 Water Resistance Seal Check
It is recommended to have the water resistance seals checked periodically, especially if the watch is frequently exposed to water or extreme temperature changes. This helps ensure the watch maintains its specified water resistance.
4.4 Storio
When not in use, store your watch in a cool, dry place away from direct sunlight, extreme temperatures, and strong magnetic fields. The original watch box is ideal for storage.
5. Datrys Problemau
- Oriawr Ddim yn Rhedeg: Gwiriwch a yw'r goron wedi'i gwthio i mewn yn llawn ac wedi'i sgriwio i lawr. Os nad yw'r oriawr yn dal i redeg, efallai y bydd angen newid y batri.
- Amser/Dyddiad Anghywir: Refer to Section 2.2 and 2.3 to reset the time and date.
- Chronograph Hands Misaligned: If the chronograph hands do not reset to zero, consult a professional watchmaker for adjustment.
- Ymyrraeth Dŵr: If moisture appears inside the watch crystal, immediately take the watch to a qualified service center. Do not attempt to open the watch yourself, as this will void the warranty and compromise water resistance.
6. manylebau
| Nodwedd | Manyleb |
|---|---|
| Enw Model | 51-30 Chrono |
| Rhif Model | A1389-5358-00 |
| Math o Symudiad | Chwarts Japaneaidd |
| Diamedr Achos | 51 Milimetrau |
| Deunydd Achos | Dur Di-staen |
| Deunydd Band | Dur Di-staen |
| Lled Band | 25 Milimetrau |
| Grisial | Gwydr Mwynol |
| Dyfnder Gwrthiant Dŵr | 300 Metr (30 ATM) |
| Math Clasp | Double Locking Foldover Clasp |
| Math Batri | 1 Batri Ansafonol (wedi'i gynnwys) |
| Pwysau Eitem | 0.45 Cilogram |

7. Gwybodaeth Gwarant
Your NIXON 51-30 Chrono watch comes with a Limited Warranty. For complete details regarding warranty coverage, terms, and conditions, please refer to the official NIXON websafle neu'r cerdyn gwarant sydd wedi'i gynnwys gyda'ch pryniant. Cadwch eich prawf prynu ar gyfer hawliadau gwarant.
8. Cefnogaeth
For further assistance, detailed product information, or to locate an authorized service center, please visit the official NIXON website. You can also contact NIXON customer service directly through the contact information provided on their websafle.
NIXON Official Websafle: www.nixon.com