Tap the image to enlarge
Cartier Ronde Solo Quartz 36mm Stainless Steel
Ref. W6700255
The Ronde Solo sits at the centre of what Cartier has always done best: the dressed circle, a format the house has returned to for well over a century. Where the Tank is architecture and the Santos is engineering made visible, the Ronde is pure geometry — a round case, Roman numerals, blued-steel hands, and almost nothing else to argue with. At 6.51mm thick, it barely registers on the wrist, sliding beneath a shirt cuff without lifting the fabric. The silver dial keeps the same temperature in all light — unhurried, low-contrast, built for legibility at a glance rather than drama. The hidden Cartier signature worked into the VII is the kind of detail that rewards a second look months in, as is the crown's spinel cabochon, which gives the hand something specific to find rather than just a knurled cylinder. The alligator strap with its double-adjustable deployant clasp lets the fit be dialled in precisely, which matters on something this slim — even a millimetre of play changes how it sits.
- Reference
- W6700255
- Brand
- Cartier
- Collection
- Ronde Solo de Cartier
- Case size
- 36mm
- Case thickness
- 6.51mm
- Case material
- Stainless steel
- Case shape
- Round
- Dial
- Silver
- Crystal
- Sapphire
- Movement
- Quartz
- Calibre
- 115A
- Water resistance
- 30m
- Bracelet / strap
- Leather strap
- Strap colour
- Black
- Clasp
- Deployant clasp
- Lume
- Luminous
- Condition
- Pre-owned
- Retailer
- Mappin & Webb
Learn more about Cartier
Louis-François Cartier took over his master's Paris workshop in 1847, but the house became what it is under his grandson Louis, who understood that a watch could be an object of design rather than an instrument of engineering.
Cartier's contribution to horology is shape. Where Swiss houses refined the round case, Cartier abandoned it. The Santos of 1904, made for the aviator Alberto Santos-Dumont so he could read the time without releasing the controls of his aircraft, is among the earliest purpose-built men's wristwatches. The Tonneau, Tortue, Tank, Baignoire, Crash, and Pebble followed, and the Tank of 1917 — inspired, the house says, by the tracks of a Renault tank viewed from above — remains one of the few watch designs recognisable in silhouette alone.
The early complications were equally distinctive: the mystery clocks, built with Maurice Coüet from 1912, appear to have hands floating in empty crystal.
Cartier spent decades known primarily as a jeweller with a watch line, then rebuilt serious watchmaking credibility through the Fine Watchmaking collection from 2008, producing in-house skeletons, astronomical complications, and the shaped movements its cases demand.
The three Paris, London, and New York branches were reunited under single ownership in the 1970s, and the house has been part of Richemont since the group's formation — indeed Cartier is its founding pillar.
- 1847
- Louis-François Cartier takes over a Paris workshop.
- 1904
- The Santos is made for Alberto Santos-Dumont.
- 1912
- The first mystery clocks appear.
- 1917
- The Tank is designed.
- 2008
- The Fine Watchmaking collection restores in-house credibility.
Also in 6 collections
This watch appears in Stainless Steel Watches (3,382), Watches Under 37mm (1,793), Leather Strap Watches (1,094), Silver Dial Watches (756), Dress Watches (555) and Pre-Owned, Ex-Display & Vintage Watches (318).
What the specifications mean
A slim watch on leather, made for wearing with a shirt.
Strengths
- 36mm suits most wrists
- Sapphire crystal, which resists scratching
- Luminous hands and markers for low light
Worth knowing
- 30m means keeping it away from water
Cartier Ronde Solo alternatives
Watches from other brands at a similar price, style and size, so you can see what else your budget can buy.
| Specification | W6700255 | Light 8 | SBGX353G |
|---|---|---|---|
| Price | £2,950 | £2,650 | £3,150 |
| Case size | 36mm | 35mm | 34mm |
| Water resistance | 30m | 50m | 10m |
| Movement | Quartz | Quartz | Quartz |
| Strap | Leather strap | Leather strap | Leather strap |
| This watch |
|
|
Your new watch
Frequently asked questions, and things you should know about this watch
Can I swim with it?
No. At 30m it will survive rain and handwashing, but not submersion of any kind.
Will the glass scratch?
Unlikely. Sapphire is second only to diamond in hardness and shrugs off everyday marking.
Does it need a battery?
Yes. It is quartz, so expect a battery change every two to three years at a jeweller.
Is it a men's or women's watch?
Listed as unisex, and at this size it suits any wrist that takes the dimensions.
Cheapest place to buy
Mappin & Webb at £2,950, pre-owned. No UK retailer we track lists this reference new.
Is this available new?
Not from the UK retailers we track. This reference is listed as pre-owned only, at £2,950 from Mappin & Webb. A pre-owned watch has been worn, and is normally sold under the retailer’s own warranty rather than the manufacturer’s.
More Cartier watches like the Ronde Solo
In stock, and close on style and price
