About the watch
The Mercier Prototype Manx is notable as a Belgian-designed, veteran-owned microbrand automatic that avoids inflated or ambiguous specs, instead publishing straightforward, verifiable technical details. Its use of 316L steel with black PVD, a Japan-made Miyota 9122 automatic movement, 10 ATM water resistance, and a domed sapphire crystal positions it as a robust, honest daily watch with modern durability at an accessible level. The individually numbered pieces and transparent spec philosophy give it particular appeal for collectors who appreciate candor and tool-watch practicality in emerging microbrands.
- Movement
- automatic
- Caliber
- Miyota Cal. 9122
- Case size
- 42mm
- Case material
- 316L stainless steel, polished black PVD
- Case shape
- round
- Complications
- multi-function display, tachymeter
- Crystal
- sapphire
- Dial colour
- white
- Lug width
- 22mm
- Water resistance
- 100m / 10 ATM
- Release year
- 2026
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