The Titanium Field Guide

Louis Erard Excellence Le Regulateur Tourbillon Louis Erard x Alain Silberstein Black

89356TT02.BTT82

The Louis Erard Excellence Le Regulateur Tourbillon Louis Erard x Alain Silberstein Black is a 40 mm Grade 2 titanium dress watch with a BCP T02 hand-wound movement.

All Louis Erard watchesDress watchesGrade 5 titaniumTourbillonDisplay back
Price
≈$19,103 (CHF 15,900)
Material
Titanium
Grade / type
Grade 2 and Grade 5 (micro-blasted Grade 2, polished Grade 5)
Water resistance
100 m
Reference
89356TT02.BTT82
Type
Dress
Case diameter
40.0 mm
Thickness
11.8 mm
Lug-to-lug
47 mm
Origin
Switzerland
Movement
Hand-wound tourbillon regulator
Caliber
BCP T02
Power reserve
approx. 100 h
Complications
Tourbillon
Colour
Grey
Construction
Two-part case
Surface treatment
Micro-blasted and polished
Finish technology
Natural finish
Caseback
Titanium (sapphire display window)
Nickel-free
Unconfirmed (clasp or buckle material not confirmed)
Bracelet / strap
Black nylon strap with a micro-blasted Grade 2 titanium hook-and-loop fastener system, with catch spring bars for quick strap changes
Crystal
Sapphire with anti-reflective treatment on both sides
Display back
Yes
Dial
Matt black with a silvered hours counter at 12 o'clock, white transfers, cut out at 6 o'clock to show the tourbillon; black flange with white transfers and yellow and red indexes
Dial colours
Black White Yellow Red
Availability
Offered
Status
Current (limited edition of 78 pieces)
Not published
Weight, Hardness, Matching bracelet, Lume
High confidence Verified Aug 2026 Source: Louis Erard (maker) / Monochrome
Facts are free to cite with a link.
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Frequently asked questions

What grade of titanium is the Louis Erard Excellence Le Regulateur Tourbillon Louis Erard x Alain Silberstein Black?

Grade 2, as stated by the maker. The caseback is titanium too.

What size is the Louis Erard Excellence Le Regulateur Tourbillon Louis Erard x Alain Silberstein Black?

The case is 40 mm across, 11.8 mm thick and 47 mm from lug to lug. It is water resistant to 100 m.

How much does the Louis Erard Excellence Le Regulateur Tourbillon Louis Erard x Alain Silberstein Black cost, and is it available?

It is in production, at a list price of $19,103.

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