The Wristwatch Field Guide

Sartory Billard SB05 Tantalum

The Sartory Billard SB05 Tantalum is a current-production dress watch with a tantalum case. It is priced well above the $2,450 median for the category. The caseback is open, so the movement is visible.

Exotic-material dress watchesDisplay back
Price
$16,000
Material
Tantalum
Grade / type
Tantalum
Water resistance
30 m
Type
Dress
Case diameter
38.5 mm
Thickness
8.5 mm
Lug-to-lug
45.5 mm
Origin
France
Movement
Automatic
Caliber
La Joux-Perret G101
Power reserve
68 hours
Complications
Time only
Colour
Grey
Construction
Assembled
Caseback
Sapphire
Nickel-free
Not verified (bracelet, strap, or clasp hardware not confirmed)
Bracelet / strap
Strap
Crystal
Sapphire
Display back
Yes
Dial
Configurable
Lume
Super-LumiNova
Availability
Offered
Status
Current (made to order)
Not published
Reference, Weight, Hardness, Surface treatment, Matching bracelet
Medium confidence Verified Jul 2026 Source: Sartory Billard (maker) Maker / listing ↗
Facts are free to cite with a link.
See it in the interactive guide

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Frequently asked questions

What is the case material of the Sartory Billard SB05 Tantalum?

The Sartory Billard SB05 Tantalum has a tantalum case with a sapphire caseback. It is recorded at medium confidence pending a maker-stated material.

What size is the Sartory Billard SB05 Tantalum?

It is 38.5 mm in diameter, 8.5 mm thick, 45.5 mm lug to lug, and water resistant to 30 m.

How much does the Sartory Billard SB05 Tantalum cost, and is it available?

It is current-production and lists from $16,000.

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