Rolex Lady-Datejust 279178-0030
Ref. 279178-0030 · White dial · In production
- Case28 mm
- Water res.100 m
- MovementAutomatic
- CrystalSapphire
Rolex Lady-Datejust 279178-0030 size, specs and price at a glance
The Rolex Lady-Datejust 279178-0030 is 28 mm wide. Rolex does not publish its lug-to-lug length. and ships on a bracelet. Inside is the 2236 automatic calibre, water resistant to 100 m. US list price: $34,100 when we last checked rolex.com (3 Nov 2026).
Strap shopping? See our Rolex size chart.
Overview
The Rolex 279178-0030 is a dress watch from the Lady-Datejust collection. It has a 28 mm gold case. Rolex lists the dial as white. Inside is an automatic movement (calibre 2236) with 55 h of power reserve. You also get 100 m water resistance, a sapphire crystal and a bracelet.
Who it suits
- Wrists of roughly 10.9–12.8 cm (4.3–5.0 in), by our Watch Finder sizing guide
- Everyday wear including swimming
- Shirt cuffs and smarter dress codes
Strengths
- Sapphire crystal resists scratches
- Screw-down crown helps keep water out
- 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 | 28 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 | White | rolex.com · 3 Nov 2026 |
|---|---|---|
| Date | Date | rolex.com · 3 Nov 2026 |
Movement
| Movement type | Automatic | rolex.com · 3 Nov 2026 |
|---|---|---|
| Calibre | 2236 | rolex.com · 3 Nov 2026 |
| Power reserve | 55 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) | $34,100 | rolex.com · 3 Nov 2026 |
|---|---|---|
| Production status | In production | rolex.com · 3 Nov 2026 |
| Style (our classification) | Dress | 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 Lady-Datejust
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Questions about the Rolex Lady-Datejust 279178-0030
How big is the Rolex Lady-Datejust 279178-0030?
The case is 28 mm wide.
What movement does the Rolex Lady-Datejust 279178-0030 use?
It uses the 2236 calibre, a automatic movement with 55 h of power reserve.
Can I swim with the Rolex Lady-Datejust 279178-0030?
Yes. It is rated to 100 m.
Does the Rolex Lady-Datejust 279178-0030 have a date?
Yes, it shows the date.
How much is the Rolex Lady-Datejust 279178-0030?
The US list price was $34,100 on rolex.com when we checked on 3 Nov 2026. Prices change, so check before you buy.
Will the Rolex Lady-Datejust 279178-0030 fit my wrist?
By our sizing guide it sits best on wrists of about 10.9–12.8 cm (4.3–5.0 in). Use the fit checker on this page to test your own wrist.
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