The Wristwatch Field Guide

Jacques Bianchi JB300 Poulpro (Titanium)

The Jacques Bianchi JB300 Poulpro (Titanium) is a current-production diver watch with a grey grade 5 case, finished with stonewashed (micro-bead blasted). It measures 41.5 mm across, 13 mm thick, and is water resistant to 300 m. Inside is the Automatic (undisclosed) automatic movement. Complications: Time only. Priced from $1,500 (approx). Brand origin: France.

Titanium and ceramic diver watchesTitaniumDiversUnder $5,000
Reference
–
Type
Diver
Price
$1,500 · approx
Case diameter
41.5 mm
Thickness
13 mm
Lug-to-lug
–
Water resistance
300 m
Weight
–
Origin
France
Movement
Automatic
Caliber
Automatic (undisclosed)
Power reserve
–
Complications
Time only
Material
Titanium
Grade / type
Grade 5
Colour
Grey
Hardness
–
Construction
–
Surface treatment
Stonewashed (micro-bead blasted)
Caseback
–
Nickel-free
Not verified (contact-point materials not all confirmed)
Bracelet / strap
Rubber / strap
Matching bracelet
–
Crystal
Sapphire
Display back
No
Dial
Octopus motif (black / blue)
Lume
Super-LumiNova
Availability
Offered
Status
Current (limited, 300 pcs)
High confidence Verified Jul 2026 Source: Fratello Maker / listing ↗
Facts are free to cite with a link.
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Alternatives to the Jacques Bianchi JB300 Poulpro (Titanium)

Unimatic Modello Uno U1S-T-MPUnimaticModello Uno U1S-T-MP$1,17841.5 mm11.25 mm thick62 gDiversame category · same style · similar price · similar size
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SeikoProspex Shogun Titanium (SPB191)$1,20043.5 mm13.3 mm thick99 gDiversame category · same style · similar price · similar size
AndersmannClassic 300M (Titanium DLC)$1,28044.0 mm12.4 mm thick117 gDiversame category · same style · similar price · similar size

Frequently asked questions

What is the case material of the Jacques Bianchi JB300 Poulpro (Titanium)?

The Jacques Bianchi JB300 Poulpro (Titanium) has a grey grade 5 case. This is confirmed against the maker spec.

What size is the Jacques Bianchi JB300 Poulpro (Titanium)?

It is 41.5 mm in diameter, 13 mm thick, and water resistant to 300 m.

How much does the Jacques Bianchi JB300 Poulpro (Titanium) cost, and is it available?

It is current-production and lists from $1,500.

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