Art. No. 1352 Basic information Manufacturer: deLaCour Model: Promess Deep Diver Reef Saver Winding: Mechanical, automatic Lug to lug 55,5 mm Diametre excluding crown: 48 mm Height (highest point): 14,5 mm Strap width, Attach/Buckle: 25/20 mm Strap size, Long/Short: 115/75 mm Data Year (not validated by manufacturer): 2020s Serial no: 75950 / LE 040/222 REF.no/Case no.: WATI0040-1342 Jewels: 31 Looks and materials Strap material: Rubber Strap color: Black Case type: Screw down case, 3 parts Case material: Titan Crystal material: Sapphire crystal Dial: Black Buckle material: Titan Movement and meassurements (meassured in 6 positions) Caliber: SW 261-1 Average time deviation (sec / day): 3 Average amplitude (degrees): 266 Average beat error (ms): 0,1 Frequency (bph): 28800 Stated powerreserv*: 41 h Extended information Service, hands: Original hands** Service, case: Cleansed case in original state** Service dial: Dial in original state** Service, buckle: Original buckle** Service, crown: Original crown** Service, crystal: Original crystal** Service strap/bracelet: Original strap** Service, movement: Function tested and controlled for time keeping Accessories Service documents: Yes Certificate of authenticity: Yes Box: No box Certificate: Certificate from Marcels Watch Group Grading and assessments Color grade dial: Riverside Damage grade dial: Flawless Condition case: NP-Surface Overall impression: Grade AAA Warranty***: 12 months Remark: N/A 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 Information from official webbsite: N/A