Louis Erard 2340 Louis Erard x Astro Boy

The Louis Erard 2340 Louis Erard x Astro Boy is a 40 mm titanium integrated-bracelet sports watch with a Sellita SW300-1 automatic movement.

2 official photos · reader photos welcome

Price

≈$4,794 (CHF 3,990)

Material

Titanium

Grade / type

Titanium

Water resistance

50 m

Reference

35123TA23.BMT12

Type

Integrated bracelet

Case diameter

40.0 mm

Thickness

8.95 mm

Lug-to-lug

41.5 mm

Origin

Switzerland

Movement

Automatic

Caliber

Sellita SW300-1 (elabore grade)

Power reserve

approx. 56 h

Complications

Time only

Colour

Grey

Construction

Titanium case middle with polished steel bezel, crown and bracelet connectors, and a steel case back on four Torx screws

Surface treatment

Brushed titanium case middle, with polished steel bezel, crown and bracelet connectors

Finish technology

Natural finish

Caseback

Steel (brushed and polished, affixed with four Torx screws)

Nickel-free

No (steel contact)

Bracelet / strap

Integrated bi-material bracelet of 92 components: brushed titanium outer links with polished steel intermediate links, Torx screws at the case attachment, spring-blade butterfly clasp

Matching bracelet

Standard

Crystal

Domed sapphire with anti-reflective treatment on both sides

Display back

No

Dial

Multi-layered: base stamped with a Metro City motif over a vertical satin brush, circular-brushed chapter ring with white LOUIS ERARD transfer, satin-brushed robot applique with a black LE emblem, and a satin-brushed Astro Boy applique with coloured printing

Dial colours

Black White

Lume

Blue-emission Super-LumiNova (SLN-C1) on the hour and minute hands and the LOUIS ERARD hour letters on the flange

Availability

Offered

Status

Current (limited edition of 178 pieces)

Not published

Weight, Hardness

Medium confidence Verified Aug 2026 Source: Louis Erard (maker product page) / Monochrome / Fratello (hands-on: construction, weight, dimensions)

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