Product Information
Item Details
Factory QF Factory
Brand Rolex
Collection Cosmograph Daytona
Reference 126529LN
Version Weighted Edition (No Balance Bridge)
Technical Specifications
Specification Details
Movement JH4132 Automatic Chronograph Movement
Case Diameter 40 mm
Case Thickness 11.8 mm
Weight 190 g (Measured)
Case Finish White Gold PVD Plating
Crystal Sapphire Crystal (Front & Exhibition Caseback)
Timegrapher Test Results
Test Item Result
Beat Rate 28,800 BPH
Amplitude 295°
Beat Error 0.2 ms
Daily Rate ±0–15 Seconds/Day
Testing Note
Timekeeping performance may vary depending on mainspring power reserve, wearing conditions, ambient temperature, and testing environment. The recorded results reflect measurements taken during pre-shipment quality control.
Pre-Shipment Inspection Checklist
Inspection Item Status
Movement Operation ✓ Passed
Timekeeping Test ✓ Passed
Chronograph Function ✓ Passed
Crown Winding & Time Setting ✓ Passed
Case Dimensions ✓ Verified
Weight Measurement ✓ Verified
Sapphire Crystal ✓ Inspected
Dial & Hands Alignment ✓ Inspected
Bezel Inspection ✓ Inspected
Bracelet & Clasp ✓ Inspected
Exterior Finish ✓ Inspected
