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Hands-On: Four Versions of the Louis Erard 2340 Compared

The Louis Erard 2340 comes in Mint, Slate, Blue and a limited Astro Boy edition. Here’s how their dials differ and what the four watches share.
Estimate4–5 min Catalogued SpecialistWatchRanker Team
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Louis Erard’s 2340 puts four distinct dial designs on the same slim, steel-and-titanium integrated-bracelet watch: Mint, Slate, Blue, and a limited Astro Boy edition. In Lex Stolk’s November 17, 2025 Fratello review, the 40 mm 2340 is described as the brand’s first integrated-bracelet sports watch. His preference is Astro Boy overall and Mint among the standard models; Slate and Blue are the more restrained options. The review’s prices are from 2025, not verified current quotes.

What distinguishes the four versions?

The case, bracelet and movement are shared. The main difference is the dial: three standard versions vary in color and texture, while Astro Boy turns the watch into a character-led limited edition.

Version Dial and visual character Production and reference reported by Fratello Price reported by Fratello, November 2025
Mint Mint-green dial with an oblong “pill” motif and capsule emblem at 3 o’clock; the most adventurous of the standard designs in Stolk’s view. Standard model; 35123TA11.BMT12 CHF 2,990 before taxes
Slate Horizontally striped dial texture inspired by the bracelet’s center links; a conventional, restrained integrated-watch look. Standard model; 35123TA02.BMT12 CHF 2,990 before taxes
Blue Horizontally striped dial texture inspired by the bracelet’s center links; similarly conventional to Slate, in blue. Standard model; 35123TA01.BMT12 CHF 2,990 before taxes
Louis Erard × Astro Boy Dark, layered dial with applied Astro Boy, rocket-boot and smoke details, plus stamped Metro City imagery; the most original and playful treatment. Limited to 178 pieces, according to Fratello. The review body gives 35123TA23.BMT12, but its specification table repeats the Blue reference, 35123TA01.BMT12; confirm the correct identifier with Louis Erard. CHF 3,990 before taxes

The reported CHF 1,000 difference between Astro Boy and the standard watches is based on Fratello’s November 2025 figures. Prices and present-day availability have not been verified.

How do the dials compare in practice?

Mint: the distinctive standard choice

Mint breaks most clearly from the familiar integrated-bracelet sports-watch template. Its pill-shaped motif and small capsule emblem give the dial a more individual character than a simple color change would. Stolk found it the most adventurous of the three standard versions.

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Slate and Blue: the quieter pair

Slate and Blue use linear horizontal stripes that echo the bracelet’s center links, tying the dial into the case-and-bracelet design. Stolk called them the more conventional expressions of the genre, describing their colors and stripes as “the most conventional” among the versions. Choose between them chiefly by color preference rather than a documented mechanical difference.

Astro Boy: the fun outlier

The limited edition layers character and scene into the dial: applied Astro Boy, rocket-boot and smoke details sit against stamped Metro City imagery. Stolk preferred this version overall, calling it the “fun outlier.” That is an aesthetic judgment, not a performance ranking; its appeal depends on whether you want a themed dial rather than a quieter daily-watch design.

What is shared across all four watches?

Fratello reports the same core specifications for each 2340 version. The watch combines a brushed titanium case middle with polished stainless-steel bezel, crown and bracelet connectors. The stainless-steel case back is mostly brushed with a polished edge.

Specification Reported detail
Case 40 mm diameter; 41.5 mm length; 8.95 mm thick
Crystal Domed sapphire with antireflective treatment on both sides
Water resistance 50 m (5 atm)
Movement Automatic Sellita SW300-1, élaboré grade; 25 jewels; 25.6 mm diameter; 3.6 mm thick; 4 Hz (28,800 vibrations per hour)
Power reserve Approximately 56 hours, as reported by Fratello
Functions Hours, minutes and seconds
Bracelet Tapered integrated bracelet with brushed titanium links and polished steel intermediate links; spring-blade butterfly clasp
Bracelet component count 92 components, as counted by Fratello
Weight 92 g, as reported by Fratello
Warranty Three years, as reported by Fratello; current terms may vary by region and should be confirmed with Louis Erard or a retailer

The solid case back conceals the movement. Stolk notes that its open-worked rotor carries a black-lacquered Louis Erard symbol, so the rotor is not visible through the back.

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Does the slim case and mixed-metal bracelet work?

Stolk says he approached the 2340 skeptically because it was Louis Erard’s first integrated-bracelet design, then handled watches supplied by the brand. He judged the proportions and 8.95 mm profile successful, and described the steel-and-titanium bracelet as comfortable and balanced. These are his hands-on impressions, not independent wear-test findings.

For a sense of the weight, Stolk compared the 92 g 2340 with his stated 132 g full-steel 40 mm Tissot PRX. That is a comparison between the particular watches he referenced, not a like-for-like test of all PRX versions. He described the 2340’s mixed-metal feel as neither too heavy nor too light.

Is the Louis Erard 2340 a PRX alternative?

The Tissot PRX is a useful point of reference because both occupy the integrated-bracelet sports-watch conversation. A reader commenting on Fratello’s November 17, 2025 article also said the watches reminded them of the PRX and preferred the PRX on price; that is one reader’s opinion, not representative audience research. The review does not provide a full product-to-product comparison or current competitor prices, so it cannot establish which is the better value. The 2340’s clearest differentiators in the review are its titanium-and-steel construction, 8.95 mm thickness, and the four dial treatments.

Which 2340 should you choose?

  • Choose Mint if you want the most distinctive of the standard dial designs.
  • Choose Slate or Blue if you prefer a more conventional integrated-bracelet look with horizontal texture.
  • Choose Astro Boy if the character-led dial is the main attraction and you are comfortable with a limited edition; Fratello reports 178 pieces.

For anyone considering a purchase, verify current pricing, availability, warranty terms and the Astro Boy reference directly with Louis Erard or an authorized retailer. The Astro Boy reference conflict in Fratello’s article makes that last check especially important.

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Quick Recap

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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.

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