Rolex Cosmograph Daytona 126503-0004
Ref. 126503-0004 · Golden, black counter rings dial · In production
- Case40 mm
- Water res.100 m
- MovementAutomatic
- CrystalSapphire
Rolex Cosmograph Daytona 126503-0004 size, specs and price at a glance
The Rolex Cosmograph Daytona 126503-0004 is 40 mm wide. Rolex does not publish its lug-to-lug length. and ships on a bracelet. Inside is the 4131 automatic calibre, water resistant to 100 m. US list price: $24,550 when we last checked rolex.com (3 Nov 2026).
Strap shopping? See our Rolex size chart.
Overview
The Rolex 126503-0004 is a chronograph watch from the Cosmograph Daytona collection. It has a 40 mm steel and gold case. Rolex lists the dial as golden, black counter rings. Inside is an automatic movement (calibre 4131) with 72 h of power reserve. You also get 100 m water resistance, a sapphire crystal and a bracelet.
Who it suits
- Wrists of roughly 16.0–17.9 cm (6.3–7.0 in), by our Watch Finder sizing guide
- Everyday wear including swimming
Strengths
- Sapphire crystal resists scratches
- Screw-down crown helps keep water out
- 72 h power reserve survives a weekend off the wrist
- Rated accuracy: -2/+2 sec/day, after casing
Written by Watch.co from the published specs below. These are not owner reviews.
Full specifications
Case
| Case diameter | 40 mm | rolex.com · 3 Nov 2026 |
|---|---|---|
| Lug-to-lug | Not published by Rolex | |
| Case material | Steel and gold | rolex.com · 3 Nov 2026 |
| Crystal | Sapphire | rolex.com · 3 Nov 2026 |
| Water resistance | 100 m | rolex.com · 3 Nov 2026 |
| Screw-down crown | Yes | rolex.com · 3 Nov 2026 |
Dial
| Dial colour | Golden, black counter rings | rolex.com · 3 Nov 2026 |
|---|---|---|
| Chronograph | Yes | rolex.com · 3 Nov 2026 |
Movement
| Movement type | Automatic | rolex.com · 3 Nov 2026 |
|---|---|---|
| Calibre | 4131 | rolex.com · 3 Nov 2026 |
| Power reserve | 72 h | rolex.com · 3 Nov 2026 |
| Rated accuracy | -2/+2 sec/day, after casing | rolex.com · 3 Nov 2026 |
| Certification | COSC chronometer (Rolex Superlative Chronometer) | rolex.com · 3 Nov 2026 |
Strap / Bracelet
| Bracelet / strap | Bracelet | rolex.com · 3 Nov 2026 |
|---|
Other
| US list price (MSRP) | $24,550 | rolex.com · 3 Nov 2026 |
|---|---|---|
| Production status | In production | rolex.com · 3 Nov 2026 |
| Style (our classification) | Chronograph | our classification |
Specs are summarised in our own words from the brand's product page. Each row links its source and the date we checked it. Fields we haven't verified are left out rather than guessed.
Variants with the same specs
Same case, movement and bracelet or strap; typically a different dial or finish.
More in Cosmograph Daytona
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Rolex Cosmograph Daytona 126505-0001
Rolex Cosmograph Daytona 126505-0005
Rolex Cosmograph Daytona 126508-0008
Rolex Cosmograph Daytona 126509-0001
Rolex Cosmograph Daytona 126518LN-0014
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Questions about the Rolex Cosmograph Daytona 126503-0004
How big is the Rolex Cosmograph Daytona 126503-0004?
The case is 40 mm wide.
What movement does the Rolex Cosmograph Daytona 126503-0004 use?
It uses the 4131 calibre, a automatic movement with 72 h of power reserve.
Can I swim with the Rolex Cosmograph Daytona 126503-0004?
Yes. It is rated to 100 m.
How much is the Rolex Cosmograph Daytona 126503-0004?
The US list price was $24,550 on rolex.com when we checked on 3 Nov 2026. Prices change, so check before you buy.
Will the Rolex Cosmograph Daytona 126503-0004 fit my wrist?
By our sizing guide it sits best on wrists of about 16.0–17.9 cm (6.3–7.0 in). Use the fit checker on this page to test your own wrist.
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