

Endurance Pro Ironman 70.3 2025 World Championship 2025
Reference X823101K1C1S1
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The Breitling Professional Endurance Pro 44 X823101K1C1S1 debuted in 2021 as a limited edition of 300 pieces commemorating the IRONMAN® 70.3 World Championship 2025. The watch features a 44mm Breitlight® case with a thickness of 12.5mm and water resistance to 10 bar. The bidirectional bezel integrates a compass scale, while the dial displays the IRONMAN® 70.3 World Championship branding and event-specific colors. A sapphire crystal with anti-reflective coating on both sides protects the display. Inside, the thermocompensated SuperQuartz™ Caliber 82 — COSC-certified — powers a chronograph with 1/10th second, 30-minute, and central seconds counters, along with a date display. The solid caseback is secured with screws. This model is paired with an aquamarine rubber strap and a Breitlight® tang-type buckle.
- Brand
- Breitling
- Model
- Endurance Pro Ironman 70.3 2025 World Championship 2025
- Reference
- X823101K1C1S1
- Category
- Endurance Pro
- Year introduced
- 2021
- Movement
- Breitling caliber Caliber 82 Foudroyante Seconds, Minutes, Small Seconds | Date | Chronograph | Chronometer
- Case diameter
- 44 mm
- Dial color
- Green
- Crystal
- Sapphire
- Case back
- Closed
- Water resistance
- 100 m
- Lugs
- 22
- Complications
- Date, Chronograph