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RL Cosmograph Daytona 40 mm Ref. M126503‑0003

$1,980.00 $320.00

🔹 OverviewThe RL Cosmograph Daytona 40 mm Ref. M126503-0003, crafted in Yellow Rolesor (Oystersteel and 18 ct yellow gold), is a modern expression of RL’s legendary racing chronograph. Featuring a bold black lacquer dial with gold-finished sub-dials and a fixed tachymeter bezel in yellow gold, it merges high-performance precision with...

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Dresses Size Chart

Dress Size Chart (Inch)
DRESSES
SIZE IN INCHES
SIZE US / CAN BUST WAIST HIPS
XS 0 31"-32" 24"-25" 34"-35"
S 2-4 33"-34" 26"-27" 36"-37"
M 6-8 35"-36" 28"-29" 38"-39"
L 10-12 37"-39" 30"-32" 40"-42"
XL 14 40"-42" 33"-35" 43"-45"
Dress Size Chart (cm)
DRESSES
SIZE IN CM
SIZE US / CAN BUST WAIST HIPS
XS 0 78.7-81.2 60.9-63.5 86.3-88.9
S 2-4 83.8-86.3 66-68.5 91.4-93.9
M 6-8 88.9-91.4 71.1-73.6 96.5-99
L 10-12 93.9-99 76.2-81.2 101.6-106.6
XL 14 101.6-106.6 81.2-88.9 109.2-114.3

Swimwear Size Chart

Dress Size Chart (Inch)
SWIMWEAR
SIZE IN INCHES
SIZE US / CAN BUST WAIST HIPS
XS 0 31"-32" 24"-25" 33"-34"
S 2 33"-34" 26"-27" 35"-37"
M 4 35"-36" 28"-29" 37"-38"
L 6 37"-39" 30"-32" 39"-41"
XL 8 40"-42" 33"-35" 42"-44"

Shoes Size Chart

US EURO UK AUS JAPAN CHINA
5 35-36 3 3.5 21.5 35
5.5 36 3.5 4 22 35.5
6 36-37 4 4.5 22.5 36
6.5 37 4.5 5 23 36.5
7 37-38 5 5.5 23.5 37
7.5 38 5.5 6 24 37.5
8 38-39 6 6.5 24.5 38
8.5 39 6.5 7 25 38.5
9 39-40 7 7.5 25.5 39
9.5 40 7.5 8 26 39.5
10 40-41 8 8.5 26.5 40
11 41-42 9 9.5 27.5 41

Delivery

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    Customer is responsible for shipping charges when making returns and shipping/handling fees of original purchase is non-refundable.

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🔹 Overview
The RL Cosmograph Daytona 40 mm Ref. M126503-0003, crafted in Yellow Rolesor (Oystersteel and 18 ct yellow gold), is a modern expression of RL’s legendary racing chronograph. Featuring a bold black lacquer dial with gold-finished sub-dials and a fixed tachymeter bezel in yellow gold, it merges high-performance precision with two-tone elegance — a chronograph built for the track yet refined for everyday wear.

💎 Key Specifications
Reference: M126503-0003
Case: 40 mm Oyster case in Yellow Rolesor (Oystersteel & 18 ct yellow gold)
Bezel: Fixed yellow gold bezel with engraved tachymetric scale
Dial: Black lacquer with gold-tone subdials; Chromalight luminescent hands and hour markers in yellow gold
Crystal: Scratch-resistant sapphire
Bracelet: Oyster bracelet in Yellow Rolesor with brushed steel outer links, polished gold center links, Oysterlock safety clasp, Easylink 5 mm extension
Movement: RL Calibre 4131, self-winding chronograph
Functions: Hours, minutes, small seconds; central chronograph seconds; 30-minute and 12-hour counters; tachymeter
Power Reserve: ~72 hours
Water Resistance: 100 m / 330 ft
Certification: Superlative Chronometer (COSC + RL after casing)

⏱️ Movement
Type: Perpetual, mechanical, self-winding chronograph
Caliber: RL Calibre 4131
Features: Vertical clutch and column wheel for precise chronograph function; Chronergy escapement for efficiency; blue Parachrom hairspring; Paraflex shock absorbers; stop-seconds
Accuracy: −2/+2 seconds per day after casing
Power Reserve: Approximately 72 hours

✅ Conclusion
The RL Cosmograph Daytona Ref. M126503-0003 is a distinguished two-tone chronograph that blends luxury and performance. Its Rolesor construction, gold-accented black dial, and advanced Calibre 4131 make it equally suited for motorsport enthusiasts and collectors of refined timepieces. A watch that carries the spirit of Daytona’s racing legacy into a modern, sophisticated era.

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