Louis Erard x Alain Silberstein Smile Day Stahlgrau

A whimsical Bauhaus-meets-industrial titanium timepiece, the Louis Erard × Alain Silberstein Day-Date fuses playful design with high-grade Swiss mechanics—featuring Silberstein’s iconic “Smiledays” disc, lacquered primary-color hands, and a lightweight titanium case for bold everyday wear in a limited edition of just 178 pieces.

Reference: 75357TT03.BTT83
Functions: Hours, minutes, seconds, “Smiledays” day display, date at 6 o’clock
Limited edition: 178 pieces (caseback engraved “Louis Erard x Alain Silberstein 1 of 178”)

MOVEMENT
Calibre: Sellita SW220-1
Winding: Automatic
Power reserve: Approx. 38 hours
Frequency: 4 Hz / 28,800 vph
Jewels: 26
Dimensions: 25.60 mm (11½’’’), height 5.05 mm
Mechanism: Day/date at 6 o’clock
Finishing: Élaboré grade
Rotor: Special openworked oscillating weight with black lacquered Louis Erard symbol

CASE
Material: Microblasted grade 2 titanium and polished grade 5 titanium
Diameter: 40 mm
Thickness: 11.60 mm
Lug-to-lug: 47 mm
Lug width: 22 mm
Construction: Two-piece case
Crystal: Sapphire with anti-reflective treatment on both sides
Caseback: Transparent; engraved “Louis Erard x Alain Silberstein 1 of 178”
Crown: Red lacquered Alain Silberstein crown with Louis Erard symbol
Water resistance: 10 ATM (100 m / 330 ft)

DIAL
Colour: Glossy grey
Transfers: White
Display: Signature Alain Silberstein day disc (“Smiledays”) and date window at 6 o’clock
Flange: Glossy white with blue and red indexes, grey transfers

HANDS
Shape: Signature Alain Silberstein design
Material: Red lacquered hour hand, blue lacquered minute hand, yellow lacquered second hand

STRAP
Material: Grey nylon strap with microblasted grade 2 titanium hardware
Buckle: Hook-and-loop fastener system for quick adjustment
Quick-release: Functional catch spring bars for easy strap change
Dimensions: 22.70 mm width, 225 mm length, fits wrist circumference 140 – 200 mm

OTHER DETAILS
Design: Designed in collaboration with Alain Silberstein