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How to Find Your Watch Model Number
Finding your watch's model number is important when ordering a replacement band, parts, or requesting a repair. The model number helps us identify your specific watch and make sure you receive the correct parts.
The model number is typically located on the back of the watch case.
Invicta
Invicta model numbers are typically 4–5 digits long and can usually be found engraved on the back of the watch.
Example: 8926
Look for a 4–5 digit number among the other information engraved on the case back. Be careful not to confuse the model number with the watch's serial number.
Glycine
Glycine model numbers typically begin with GL or Ref, followed by numbers.
Example: GL0123
Check the back of your watch for a model or reference number. The format may vary depending on the watch, but newer Glycine models typically begin with GL, followed by four digits, while retro models may list the number as Ref followed by four digits.
Technomarine
Technomarine model numbers typically begin with TM- and are followed by 6 digits.
Example: TM-515023
Look on the back of the watch for a number beginning with TM. Be sure to include the complete number, including the TM prefix and any hyphen.
S. Coifman
S. Coifman model numbers typically begin with SC followed by 4 digits.
Example: SC0258
Check the back of the watch for a number beginning with SC. Be sure to include the complete model number when ordering a replacement band, parts, or requesting a repair.
Chase-Durer
Chase-Durer model numbers typically begin with CDW- followed by 4 digits.
Example: CDW-0064
Look on the back of the watch for a number beginning with CDW-. Be sure to include the complete number, including the CDW prefix and hyphen.
J.W. Hulme
J.W. Hulme model numbers typically begin with JWH- followed by 4 digits.
Example: JWH-0048
Check the back of the watch for a model number beginning with JWH Be sure to include the complete model number when ordering a replacement band, parts, or requesting a repair.
Quick Reference
| Brand | Typical Format | Example |
| Invicta | 4–5 digits | 8926 |
| Glycine | GL or Ref + numbers | GL0123 OR REF3926 |
| Technomarine | TM- + 6 digits | TM-515023 |
| S. Coifman | SC + 4 digits | SC0258 |
| Chase-Durer | CDW- + 4 digits | CDW-0064 |
| J.W. Hulme | JWH-+ 4 digits | J.W. 1234 |
Still Can't Find Your Model Number?
If you're having trouble finding or reading the model number, take a clear photo of the back of your watch. Then send a the photo to invictabands@iwscwatchrepair.com with a description of your issue.This can help us identify the correct model and ensure you get the right parts or service.