Louis Erard
Louis Erard Le Régulateur Blanc x Alain Silberstein 85358TT01.BTT83
The Louis Erard Le Régulateur Blanc x Alain Silberstein (reference 85358TT01.BTT83) is a 40 mm Microblasted grade 2 titanium and polished grade 5 titanium watch with a silver dial. It runs on the automatic caliber Sellita SW266-1 with a 38-hour power reserve and is water resistant to 100 m.
Specifications
Case
- Reference
- 85358TT01.BTT83
- Collection
- Excellence
- Case size
- 40 mm
- Case material
- Microblasted grade 2 titanium and polished grade 5 titanium
- Case shape
- Round
- Crystal
- Sapphire
- Water resistance
- 100 m
- Bracelet / strap
- Grey nylon
Dial and bezel
- Dial
- Silver
Movement
- Movement
- Automatic
- Caliber
- Sellita SW266-1
- Power reserve
- 38 hours
- Frequency
- 28,800 vph
- Jewels
- 31
- Functions
- Regulator
Production
- Production
- Limited
Dial versions
This reference was made with these dials and finishes.
85358TT01.BTT83 Silver
Matt silver opaline; grey and red transfers
How it compares within the Excellence family
Side by side with other references in the same collection, from the catalog.
| Reference | Size | Material | Dial | Caliber | Years |
|---|---|---|---|---|---|
| 85358TT01.BTT83 (This watch) | 40 mm | Microblasted grade 2 titanium and polished grade 5 titanium | Silver | Sellita SW266-1 | — |
| 22243AA01.BOA02 | 38 mm | Stainless steel | Silver | 2 x Sellita SW100 | — |
| 34237AA54.BVA38 | 42 mm | Stainless steel | Cream | Sellita SW261-1 | — |
| 54230AS61.BVA08 | 40 mm | Stainless steel | Silver | ETA 7001 with RE9 regulator module | — |
| 54230NS62.BVA09 | 40 mm | Stainless steel with black PVD | Black | ETA 7001 with RE9 regulator module | — |
| 66237AA52.BVA34 | 42 mm | Stainless steel | Black | Sellita SW261-1 | — |
| 74359TT02.BTT88 | 40 mm | Microblasted grade 2 titanium and polished grade 5 titanium; red ABS pusher | Black | Sellita SW500 MPCa | — |
| 75357TT02.BTT88 | 40 mm | Microblasted grade 2 titanium and polished grade 5 titanium | Black | ETA 2836-2 | — |
| 85237AA56.BVA175 | 42 mm | Stainless steel | Grey | Sellita SW266-1 | — |
About the Excellence family
The Excellence is Louis Erard's upper line, used for its enamel and guilloché dials and its collaborations with designers and independent watchmakers.
The catalog lists the Excellence Émail Grand Feu and Guilloché Main, the Regulator and La Semaine made with Alain Silberstein, Le Chronographe and other editions, in steel and titanium. Most are limited, so dealers check the number and papers.
Quick answers
- What size is the Louis Erard Le Régulateur Blanc x Alain Silberstein 85358TT01.BTT83?
- The Louis Erard Le Régulateur Blanc x Alain Silberstein 85358TT01.BTT83 has a 40 mm case.
- What movement does the Louis Erard Le Régulateur Blanc x Alain Silberstein 85358TT01.BTT83 use?
- It uses the automatic caliber Sellita SW266-1, with a 38-hour power reserve.
- How water resistant is the Louis Erard Le Régulateur Blanc x Alain Silberstein 85358TT01.BTT83?
- It is water resistant to 100 metres.
- Is the Louis Erard Le Régulateur Blanc x Alain Silberstein 85358TT01.BTT83 still in production?
- Limited.
- What is the Louis Erard Le Régulateur Blanc x Alain Silberstein 85358TT01.BTT83 made of?
- The case is Microblasted grade 2 titanium and polished grade 5 titanium. Bracelet or strap: Grey nylon.
Catalog facts checked November 2026.