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    Louis Erard

    Most Louis Erard watches use a 22 mm lug width: 47 of the 85 Louis Erard references with a listed width in our database (55%).

    Lug widths at Louis Erard

    Louis Erard collections

    The story · Since 1929

    The Louis Erard story

    1. 1929 Founded in La Chaux-de-Fonds, Switzerland by Louis Erard (with partner Andre Perret).
    2. 1931 The first watches sold under the Louis Erard name appeared, alongside the firm's casing and assembly work for other brands; by 1937 the company employed more than 60 people.
    3. 2003 After a decade of near silence, a group of private investors led by former Tissot, Swatch and Sector executive Alain Spinedi bought the brand and relaunched it as an affordable Swiss mechanical watchmaker, with prices from 595 to 1995 Swiss francs in 2005.
    4. 2014 The brand reached 200,000 watches produced in Le Noirmont.
    5. 2019 Collaboration with Leeds United FC (football club): Centenary limited edition with powder from a brick of the Elland Road players' tunnel in the dial.
    6. 2020 Late in 2020, during lockdown, Louis Erard released Le Regulateur Louis Erard x Vianney Halter, ref. 85237AA51, with dial, hands and crown by the independent watchmaker; the 178 pieces at CHF 3,500 sold out immediately. Manuel Emch says the project began with an accidental pocket-dial to Halter.

    Firsts and innovations

    2025. Launched the 2340, which press describe as the brand's first integrated sports watch, in titanium and steel.

    Louis Erard ambassadors over the years

    Tiffany GeroudetEpee fencer, 2011 European championFrom 2012

    The Swiss fencer became a Louis Erard ambassador in July 2012, during the London Olympics.

    Source: Agefi

    More Louis Erard references, by line

    Lines without a guide page yet: every reference we list for them, with its strap size.

    Excellence / Le Chronographe Monopoussoir

    • Le Chronographe Monopoussoir Louis Erard x Massena LAB Gold 74239AA71.BVA10322 mm
    • Le Chronographe Monopoussoir Louis Erard x Massena LAB Silver 74239AA70.BVA10322 mm

    Excellence / Le Régulateur Tourbillon

    • Time Eater Tourbillon Louis Erard x Konstantin Chaykin 89241AA90.BGA08822 mm
    • Time Eater Tourbillon Louis Erard x Konstantin Chaykin Blue 89241AA91.BVA17022 mm

    Noirmont X

    • Le Régulateur Tourbillon Louis Erard x Alain Silberstein Khaki 9356TT06.BTT89Integrated bracelet

    FAQ

    What lug width do Louis Erard watches use?

    22 mm is the most common (55% of Louis Erard references with a listed width), followed by 20 mm and 21 mm.

    Do all Louis Erard watches take the same strap size?

    No. Louis Erard uses 3 different lug widths across its collections, so check your exact model or reference.

    When was Louis Erard founded?

    Louis Erard was founded in 1929 in La Chaux-de-Fonds, Switzerland by Louis Erard (with partner Andre Perret).

    Who are Louis Erard's ambassadors?

    Over the years Louis Erard has partnered with Tiffany Geroudet (from 2012).

    Help

    What is lug width?

    The gap between the two lugs that hold the strap, in millimetres. A new strap must match it exactly: 20 mm lugs take a 20 mm strap.

    Measure it in 30 seconds

    1. Take the strap off, or look at the back of it: many straps print their width.
    2. Measure the inside gap between the lugs with a caliper or a millimetre ruler.
    3. Round to the nearest whole millimetre. Most watches use 18, 20 or 22 mm.

    Strap, quick release or system?

    Most watches use spring bars, so any strap of the right width fits. Many smartwatches use their own band system instead, such as Apple Watch bands or Garmin QuickFit.