Arnold & Son’s latest HM turns a slim two-hand dress watch into a miniature postcard of London.
Created with UK independent watch specialist The Limited Edition, the HM London Skyline marks two anniversaries at once, Arnold & Son’s 260th and The Limited Edition’s 10th.
The result is a restrained watch in profile, but a surprisingly theatrical one on the wrist once the dial catches the light.
At a glance
- Arnold & Son and The Limited Edition have created the HM London Skyline in red gold and stainless steel.
- The blue mother-of-pearl dial depicts London landmarks, with modern icons revealed in Super-LumiNova after dark.
- Each metal is limited to 20 pieces, priced at GBP 23,500 in red gold and GBP 15,000 in steel.
A dress watch with a London dial
The HM is one of Arnold & Son’s more pared-back collections, built around a thin case, two hands and a clean display of hours and minutes.
Here, that minimalist format becomes a frame for a far more detailed dial.
The 39.5mm case is offered in polished 18k red gold or stainless steel, with a height of just 7.82mm that keeps the watch firmly in dress-watch territory.
A domed sapphire crystal sits over the dial, while the caseback carries a sapphire display window along with the individual x/20 engraving and The Limited Edition star logo.
Mother-of-pearl, landmarks and hidden lume
The dial is the centre of the watch, using blue mother-of-pearl as a shifting backdrop for a miniature London skyline.
Tower Bridge takes the foreground, while the Houses of Parliament, Big Ben and St Paul’s Cathedral sit further back beneath a soft clouded sky.
Arnold & Son has then added a second scene that only fully appears in low light.
Super-LumiNova reveals the Shard, the Gherkin and the London Eye, adding a contemporary layer to the more historic architecture visible by day.
The time display remains deliberately discreet, with dot hour and minute markers and slim sword-shaped hands fitted with luminescent tips.
The ultra-thin A&S1001 movement
Inside is Arnold & Son’s in-house calibre A&S1001, a manual-winding movement measuring just 2.7mm thick.
Despite that thin construction, the calibre uses double barrels to deliver a 90-hour power reserve.
The finishing is visible through the caseback, with radiating Côtes de Genève, circular graining, snailed wheels, hand-chamfered bridges with polished bevels and blued screws.
It’s a movement that fits the character of the HM well, avoiding complication for its own sake while giving the watch a serious mechanical foundation.
Details & Specifications
| Brand | Arnold & Son |
|---|---|
| Model | HM London Skyline x The Limited Edition |
| Case size | 39.5mm diameter, 7.82mm thickness |
| Case material | 18k red gold or stainless steel, polished |
| Crystal | Domed sapphire crystal with double-sided anti-reflective coating |
| Caseback | Sapphire crystal with x/20 engraving and The Limited Edition star logo |
| Water resistance | 30 metres |
| Dial | Blue mother-of-pearl with miniature London skyline artwork and Super-LumiNova landmarks |
| Hands | Sword-shaped hour and minute hands with Super-LumiNova tips |
| Movement | Arnold & Son calibre A&S1001, in-house manual-winding |
| Movement size | 30mm diameter, 2.7mm thickness |
| Frequency | 21,600 vibrations per hour, 3Hz |
| Jewels | 21 |
| Power reserve | 90 hours via double barrels |
| Functions | Hours and minutes |
| Strap | Ocean blue alligator leather with light blue stitching |
| Buckle | Pin buckle matching the case metal |
| Production | 20 pieces in red gold and 20 pieces in stainless steel |
| Price | GBP 23,500 in red gold, GBP 15,000 in stainless steel |
| Availability | Exclusive to The Limited Edition |
Who the HM London Skyline is for
This isn’t a watch for someone looking for maximum complication or a loud case architecture.
Its appeal sits in the tension between a very traditional two-hand dress watch and a dial that carries personal, geographic and anniversary meaning.
For collectors with an attachment to London, independent watchmaking or Arnold & Son’s English heritage, the HM London Skyline has a clear emotional hook without abandoning mechanical restraint.
In steel it offers the cooler, more contemporary reading of the design, while red gold gives the blue dial and cityscape a warmer, more formal setting.
Either way, the watch works because it doesn’t try to turn the skyline into a gimmick.
It keeps the HM’s slim elegance intact, then lets the city appear slowly, first in mother-of-pearl and then in lume when the lights fall.
