Vintage Omega Stopwatch, first half of the 20th century

Art. No. 1538 Basic information Manufacturer: Omega Model: Stpowatch Winding: N/A Lug to lug 71 mm Diametre excluding crown: 51 mm Height (highest point): 19 mm Strap width, Attach/Buckle: N/A Strap size, Long/Short (excl. Watch): N/A Data Year (not validated by manufacturer): 1898 Serial no: 1583747 REF.no/Case no.: N/A Jewels: N/A Looks and materials Strap material: N/A Strap color: N/A Case type: Snap back case, 4 parts Case material: Silver colored Crystal material: Acrylic Dial: White Buckle material: N/A Movement and meassurements (meassured in 6 positions) Caliber: CAL 900 Average time deviation (sec / day): N/A Average amplitude (degrees): N/A Average beat error (ms): N/A Frequency (bph): N/A Vacuum / Pressure test: Not tested Stated powerreserv*: N/A Extended information Service, hands: Original hands** Service, case: Cleansed case in original state** Service dial: Dial in original state** Service, buckle: Buckle/Clasp not exchanged by Marcels Watch Group Service, crown: Original crown** Service, crystal: New crystal, Sternkreuz Service strap/bracelet: N/A Service, movement: Function tested and controlled for time keeping Accessories Service documents: Yes Certificate of authenticity: No Box: No box Certificate: No certificate Grading and assessments Color grade dial: Riverside Damage grade dial: Flawless Condition case: NP-Surface-P Overall impression: Grade AAA Warranty***: 12 months Remark: Nice stopwatch, fully functional Other *Deviation is to be anticipated **Originalpart mounted on the watch when purchased, no guarantee that it is factory original ***Function warranty, i.e. the functions is guaranteed to work during this time given that the watch is treated within the guidelines of treatment. In the event of outer mischief, warranty is not applicable See https://www.marcelswatch.com/en/vintage-guide/ for grading information See https://www.marcelswatch.com/en/vintage-guide/ for grading information See https://www.marcelswatch.com/en/vintage-guide/ for grading information N/A