Vintage Omega 178.0504 / 378.0504 Seamaster 300 Professional chronograph, 1999, 41 mm

Art. No. 1492
Basic information
Manufacturer: Omega
Model: Seamaster 300 Professional
Winding: Mechanical, automatic
Lug to lug 48,5 mm
Diametre excluding crown: 41,5 mm
Height (highest point): 16,5 mm
Strap width, Attach/Buckle: 20/20 mm
Strap size, Long/Short: 105/60 mm
Data
Year (not validated by manufacturer): 1999
Serial no: 60015717
REF.no/Case no.: 178.0504 // 378.0504
Jewels: 25
Looks and materials
Strap material: Titan
Strap color: Titan
Case type: Screw down case, 3 parts
Case material: Titan
Crystal material: Sapphire crystal
Dial: Blue
Buckle material: Titan
Movement and meassurements (meassured in 6 positions)
Caliber: CAL 1164
Average time deviation (sec / day): 1
Average amplitude (degrees): 258
Average beat error (ms): 0,1
Frequency (bph): 28800
Vacuum / Pressure test: VAC -0,5 PASS, PRE 5 BAR PASS
Stated powerreserv*: 42 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: Miniservice
Accessories
Service documents: Yes
Certificate of authenticity: Yes
Box: No box
Certificate: Certificate from Marcels Watch Group
Grading and assessments
Color grade dial: Top Wesselton
Damage grade dial: VVSD
Condition case: NP-Trace
Overall impression: Grade AA
Warranty***: 12 months
Remark: Hands with corrosion
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: https://www.omegawatches.com/en-se/watch-omega-seamaster-chrono-diver-ti-378-0504