Louis Erard × Chaykin Unfrogettable — short spec
Short overview, not a review. Pros and cons restate published facts only. No buying advice. Numbers not shown on a source we opened are omitted or marked unpublished.
Louis Erard’s Unfrogettable, made with Konstantin Chaykin, is a 40 mm Grade 5 titanium watch with a Sellita SW266-1 automatic regulator (hours, minutes and seconds shown separately) and a minimum power reserve of 38 hours. The turquoise product page lists CHF 4,500, Excl. Tax. Monochrome lists 46.5 mm lug-to-lug and 12.45 mm thick (third-party) for the turquoise and brown editions.
Verified specs
| Item | Published | Source |
|---|---|---|
| Case | 40 mm, Grade 5 titanium. Sapphire with anti-reflective coating on both sides. See-through case back. Water resistance 5 bars (50 m / 165 ft). | Louis Erard turquoise product page |
| Lug-to-lug and thickness | 46.5 mm lug-to-lug and 12.45 mm thick (third-party). The 2026 product page does not list either figure. | Monochrome, 21 September 2026 (third-party) |
| References | 85340AA03.BVA192 turquoise and 85340AA04.BVA193 brown. 178 pieces each. Strap 20/18 mm. 5N (a rose-gold tone) PVD (a thin hard coating) on the brown crown. | Monochrome, 21 September 2026 |
| Movement | Sellita SW266-1 automatic regulator (hours, minutes and seconds shown separately); minimum 38 hours. Monochrome lists 28,800 vph (4 Hz). | Louis Erard turquoise product page · Monochrome |
| Strap | Himeji Kurozan, “black diamond leather”, Urushi (Japanese lacquer). | Louis Erard turquoise product page |
| Warranty and price | 3-year warranty. CHF 4,500, Excl. Tax. | Louis Erard turquoise product page |
| Singapore-dollar price | Not published. The Swiss-franc list is not converted here. | Louis Erard turquoise product page |
Fit on 6–7 in wrists (6.5 in reference)
Fit: Moderate risk on a 6.5 in wrist. The 46.5 mm lug-to-lug and the 12.45 mm thickness are Monochrome’s figures (third-party). The 40 mm diameter is Louis Erard’s figure. The 2026 product page does not list lug-to-lug or thickness.
The flat top of the wrist (usable span) is the width a watch can sit on without its lugs hanging over the edge.
| Wrist (approx.) | Monochrome lug to lug | Thickness | Fit note |
|---|---|---|---|
| 6.0 in (152 mm) | 46.5 mm (third-party) | 12.45 mm (third-party) | High risk: 46.5 mm is past the flat top of a 6 in wrist (about 44.6 mm). |
| 6.5 in (165 mm) — reference | 46.5 mm (third-party) | 12.45 mm (third-party) | Moderate risk: 46.5 mm is close to the flat top of a 6.5 in wrist (about 48.3 mm). |
| 7.0 in (178 mm) | 46.5 mm (third-party) | 12.45 mm (third-party) | Low risk: 46.5 mm is under 90% of the flat top of a 7 in wrist (about 52.1 mm). |
Not published
- A Singapore-dollar price.
Short overview
Pros (from published facts)
- 40 mm Grade 5 titanium case.
- Sapphire with anti-reflective coating on both sides, and a see-through case back.
- Sellita SW266-1, minimum 38 hours.
Singapore note
The authorised dealers guide lists Louis Erard at Watches of Switzerland Singapore (Paragon, VivoCity, and Jewel Changi Airport). Louis Erard lists CHF 4,500, Excl. Tax. No Singapore-dollar price is published here. Watches are not subject to customs duty in the usual consumer path (see Buying in Singapore).