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Speake-Marin Openworked Sandblasted Titanium 42mm Mens Watch Silver
Ref. 414217440
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Stepping up in Speake-Marin's range
Speake-Marin is a small London-founded manufacture that has operated for much of its life outside the mainstream, and the One & Two collection sits at the centre of what the brand argues a watch should be: a mechanical object whose construction is the display, rather than something hidden behind a dial. The openworked SMA01 carries that argument literally — the barrel is engraved with the house's stated values, RESPECT and CREATIVITE, visible through the movement rather than printed on a surface. The Piccadilly case in Grade 5 titanium is the detail worth dwelling on. At 10.5mm across 42mm of diameter, it wears flatter and lighter than the skeletonised movement inside might suggest, and the sandblasted finish gives the case a matte, almost industrial restraint that keeps the eye on the dial rather than the surround. The small seconds counter sits at 1:30 — an unconventional position that reads as a deliberate displacement, part of the same contrarian logic that runs through the whole design. Heart-shaped hands in PVD-coated black are a house signature and read more clearly against the open movement than conventional sword hands would. The SMA01 is regulated to COSC chronometer standards and runs a fully integrated micro-rotor, which is how Speake-Marin maintains that flat profile without sacrificing winding efficiency. Fifty-two hours of reserve means a weekend off the wrist without resetting.
- Reference
- 414217440
- Brand
- Speake-Marin
- Case size
- 42mm
- Case thickness
- 10.5mm
- Case material
- Titanium
- Case shape
- Round
- Dial
- Silver
- Crystal
- Sapphire
- Movement
- Automatic
- Calibre
- SMA01
- Functions
- Small seconds, Skeleton dial
- Water resistance
- 30m
- Bracelet / strap
- Leather strap
- Strap colour
- Black
- Clasp
- Deployant clasp
- Retailer
- Goldsmiths
Additional specifications
- Power reserve
- 52 hours
Learn more about Speake-Marin
Peter Speake-Marin trained at Hackney Technical College in London, spent years restoring antique watches on Piccadilly and later worked at Renaud et Papi, the complications workshop behind much of the industry's most difficult work. He founded his own brand in Switzerland in 2002.
The house style was established early and has stayed: the Piccadilly case with its distinctive stepped bezel, the topping tool motif taken from a watchmaker's own bench, and heart-shaped bridges visible through the back.
Christelle Rosnoblet bought the company in 2012 and built a movement workshop in the Neuchâtel region, moving it from assembling supplied calibres towards developing and finishing its own.
The output is deliberately small and deliberately difficult — tourbillons, minute repeaters, the Vertical Double Tourbillon, and an Art Series with hand-sculpted dials. These are watches made in dozens rather than thousands.
Peter Speake-Marin himself has since moved on to other projects; the brand he named continues in Geneva.
- 1985
- Peter Speake-Marin qualifies as a watchmaker in London.
- 2002
- Founds the brand in Switzerland.
- 2003
- The Piccadilly case establishes the house style.
- 2012
- Christelle Rosnoblet acquires the company.
- 2015
- In-house movement development begins in Neuchâtel.
Also in 5 collections
This watch appears in Automatic Watches (1,573), Leather Strap Watches (854), Silver Dial Watches (577), Skeleton Watches (248) and Titanium Watches (167).
Manufacturer’s guarantee
Speake-Marin Openworked Sandblasted Titanium alternatives
Watches from other brands at a similar price, style and size, so you can see what else your budget can buy.
| Specification | 414217440 | G0A45004 | 2303-270/CARB |
|---|---|---|---|
| Price | £26,054 | £26,700 | £25,660 |
| Case size | 42mm | 42mm | 43mm |
| Water resistance | 30m | 30m | 50m |
| Movement | Automatic | Automatic | Automatic |
| Strap | Leather strap | Stainless steel bracelet | Leather strap |
| Power reserve | 52 hours | 44 hours | 72 hours |
| This watch | Closely matched |
|
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.
Water resistance explainedWill the glass scratch?
Unlikely. Sapphire is second only to diamond in hardness and shrugs off everyday marking.
Sapphire, mineral and acrylic comparedDoes it need a battery?
No. It is automatic — the motion of your wrist winds it, and there is no cell to replace.
Quartz, automatic and solar comparedHow long does it run for when it's not worn?
About 52 hours fully wound — enough to survive a night off the wrist, but not a full weekend.
Is it a men's or women's watch?
Listed as men's.
Cheapest place to buy
Goldsmiths is the only UK retailer we track stocking this reference, so there is nothing to compare it against today.
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