Rolex Cosmograph Daytona 126509-0001
Ref. 126509-0001 · Bright black and steel dial · In production
- Case40 mm
- Water res.100 m
- MovementAutomatic
- CrystalSapphire
Rolex Cosmograph Daytona 126509-0001 size, specs and price at a glance
The Rolex Cosmograph Daytona 126509-0001 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: $59,100 when we last checked rolex.com (3 Nov 2026).
Strap shopping? See our Rolex size chart.
Overview
The Rolex 126509-0001 is a chronograph watch from the Cosmograph Daytona collection. It has a 40 mm gold case. Rolex lists the dial as bright black and steel. 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 | 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 | Bright black and steel | 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) | $59,100 | 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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Picked with Watch Finder's style tags and sizing.
Questions about the Rolex Cosmograph Daytona 126509-0001
How big is the Rolex Cosmograph Daytona 126509-0001?
The case is 40 mm wide.
What movement does the Rolex Cosmograph Daytona 126509-0001 use?
It uses the 4131 calibre, a automatic movement with 72 h of power reserve.
Can I swim with the Rolex Cosmograph Daytona 126509-0001?
Yes. It is rated to 100 m.
How much is the Rolex Cosmograph Daytona 126509-0001?
The US list price was $59,100 on rolex.com when we checked on 3 Nov 2026. Prices change, so check before you buy.
Will the Rolex Cosmograph Daytona 126509-0001 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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