De Bethune DB25 Perpetual Calendar (titanium) vs Richard Mille RM 67-01 Automatic Extra Flat Titanium
The De Bethune DB25 Perpetual Calendar (titanium) and the Richard Mille RM 67-01 Automatic Extra Flat Titanium are both titanium other watches. This is a side-by-side of their case size, weight, titanium grade, movement, water resistance, and price, drawn from the verified specs in the Titanium Field Guide.
| De BethuneDB25 Perpetual Calendar (titanium) | Richard MilleRM 67-01 Automatic Extra Flat Titanium | |
|---|---|---|
| Price | – | – |
| Case diameter | 40.0 mm | 38.7 mm |
| Thickness | – | 7.75 mm |
| Lug-to-lug | – | – |
| Water resistance | 30 m | 50 m |
| Weight | – | – |
| Titanium grade | Grade 5 | Grade 5 |
| Surface treatment | Polished titanium | Microblasted |
| Movement | Automatic perpetual calendar | Automatic (extra flat) |
| Power reserve | 5 days | 50 h |
| Complications | Perpetual calendar | Date |
| Crystal | Sapphire | Sapphire |
| Bracelet / strap | Leather strap | Rubber strap |
| Origin | Switzerland | Switzerland |
| Confidence | High | Medium |
Full details: De Bethune DB25 Perpetual Calendar (titanium) · Richard Mille RM 67-01 Automatic Extra Flat Titanium
All De Bethune titanium watches · All Richard Mille titanium watches · How we verify & grade