Louis Erard
Louis Erard Excellence Guilloché Main 66237AA52.BVA34
The Louis Erard Excellence Guilloché Main (reference 66237AA52.BVA34) is a 42 mm stainless steel watch with a black dial. It runs on the automatic caliber Sellita SW261-1 with a 38-hour power reserve and is water resistant to 50 m.
Specifications
Case
- Reference
- 66237AA52.BVA34
- Collection
- Excellence
- Case size
- 42 mm
- Case material
- Stainless steel
- Case shape
- Round
- Crystal
- Sapphire
- Water resistance
- 50 m
- Bracelet / strap
- Black nubuck calf
Dial and bezel
- Dial
- Black
Movement
- Movement
- Automatic
- Caliber
- Sellita SW261-1
- Power reserve
- 38 hours
Production
- Production
- Limited
Dial versions
This reference was made with these dials and finishes.
66237AA52.BVA34 Black
Matt black varnish with hand-guilloché rhodium checked pattern
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 |
|---|---|---|---|---|---|
| 66237AA52.BVA34 (This watch) | 42 mm | Stainless steel | Black | Sellita SW261-1 | — |
| 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 | — |
| 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 | — |
| 85237AA61.BVA31 | 42 mm | Stainless steel | Silver | 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 Excellence Guilloché Main 66237AA52.BVA34?
- The Louis Erard Excellence Guilloché Main 66237AA52.BVA34 has a 42 mm case.
- What movement does the Louis Erard Excellence Guilloché Main 66237AA52.BVA34 use?
- It uses the automatic caliber Sellita SW261-1, with a 38-hour power reserve.
- How water resistant is the Louis Erard Excellence Guilloché Main 66237AA52.BVA34?
- It is water resistant to 50 metres.
- Is the Louis Erard Excellence Guilloché Main 66237AA52.BVA34 still in production?
- Limited.
- What is the Louis Erard Excellence Guilloché Main 66237AA52.BVA34 made of?
- The case is stainless steel. Bracelet or strap: Black nubuck calf.
Catalog facts checked November 2026.