Jacques Bianchi JB300 Poulpro (Titanium) vs Synchron Ti300M Poseidon
The Jacques Bianchi JB300 Poulpro (Titanium) and the Synchron Ti300M Poseidon are both titanium diver 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.
Case sizes, to scale41 mm to 41.5 mm, a spread of 1 percent · photo silhouettes include the crown
41.5 mmJacques Bianchi JB300 Poulpro (Titanium)
41 mmSynchron Ti300M Poseidon
Footprint, drawn from one centreseen from above, case diameter across and lug to lug down · lug to lug where the maker states it
41.5 mmJacques Bianchi JB300 Poulpro (Titanium), lug to lug not published41 mm by 45 mmSynchron Ti300M Poseidon
Thickness, same scaleseen from the side, drawn from the stated figures · 11.9 mm to 13 mm thick
13 mm thickJacques Bianchi JB300 Poulpro (Titanium)
11.9 mm thickSynchron Ti300M Poseidon
mm
 Jacques BianchiJB300 Poulpro (Titanium) |  SynchronTi300M Poseidon | |
|---|---|---|
| Price | $1,470 | $1,290 |
| Case diameter | 41.5 mm | 41.0 mm |
| Thickness | 13 mm | 11.9 mm |
| Lug-to-lug | – | 45 mm |
| Water resistance | 300 m | 300 m |
| Weight | – | 50 g |
| Titanium grade | Grade 5 | Grade 5 |
| Surface treatment | Stonewashed (micro-bead blasted) | Brushed |
| Movement | Automatic (Swiss) | Automatic |
| Power reserve | – | 68 h |
| Complications | Time only | Date |
| Crystal | Sapphire | Sapphire |
| Bracelet / strap | Black Tropic rubber strap plus a grey JBM strap | Genuine Tropic rubber strap, 20 mm lug width |
| Origin | France | Switzerland |
| Confidence | High | High |
Full details: Jacques Bianchi JB300 Poulpro (Titanium) · Synchron Ti300M Poseidon
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