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Independent Watchmakers · 2026-10-13

Louis Erard’s Time Eater returns with a tourbillon for a tongue

A 78-piece collaboration with Konstantin Chaykin gives the familiar monster dial a 100-hour hand-wound tourbillon movement.

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By Chronolume digest · Original English summary · Based on Louis Erard

Louis Erard Louis Erard × Konstantin Chaykin Time Eater Tourbillon 89241AA90.BGA088, official product-gallery photograph
Louis Erard × Konstantin Chaykin Time Eater Tourbillon 89241AA90.BGA088 — official Louis Erard product photography. Louis Erard ↗
This is a sourced news summary, not a hands-on review. Read the original reporting at Louis Erard ↗

What to know

The Time Eater Tourbillon takes Louis Erard and Konstantin Chaykin's watch-faced monster into more complex mechanical territory. A large rotating hour eye, jagged red tourbillon surround and tongue-like seconds detail give the dial a theatrical expression. Green, silver and anthracite elements create a deliberately unsettling personality: watchmaking as a small piece of animated art.

Louis Erard Louis Erard × Konstantin Chaykin Time Eater Tourbillon 89241AA90.BGA088, official product-gallery photograph (additional view)
Louis Erard × Konstantin Chaykin Time Eater Tourbillon 89241AA90.BGA088 — official Louis Erard product photography. Louis Erard ↗

The polished steel case measures 42 mm, with sapphire crystal, a display back and 50-metre water resistance. The BCP T02 is a hand-wound tourbillon regulator offering approximately 100 hours of reserve. A black toad-leather strap with green stitching and green rabbit-leather lining continues the creature-like treatment beyond the case.

Louis Erard Louis Erard × Konstantin Chaykin Time Eater Tourbillon 89241AA90.BGA088, official product-gallery photograph (additional view)
Louis Erard × Konstantin Chaykin Time Eater Tourbillon 89241AA90.BGA088 — official Louis Erard product photography. Louis Erard ↗

Production is limited to 78 pieces, and the maker lists CHF 19,900 excluding tax. This is not a conventional tourbillon intended to disappear into elegant symmetry. Its exposed complication is the visual joke—and a reminder that independent collaborations can make advanced mechanics playful without diminishing their technical interest.

At a glance

Specifications reported by Louis Erard
Reference89241AA90.BGA088
Case diameter42 mm
Case materialPolished stainless steel
MovementBCP T02 manual-winding tourbillon regulator
Power reserveApproximately 100 hours
FunctionsHours, minutes, seconds and tourbillon
Water resistance50 m / 5 bar
CrystalAnti-reflective sapphire
StrapBlack toad leather with green stitching
Edition78 pieces
Manufacturer priceCHF 19,900 excl. tax

Source & attribution

Louis Erard · Published 2026-10-13 ↗

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