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.

Movement
Automatic, Sellita SW220-1 calibre
Day/Date at 6 o’clock
Diameter: 25.60 mm (11½’’’)
Height: 5.05 mm
Frequency: 28,800 vph (4 Hz)
Jewels: 26
Élaboré grade movement
Decorated with special openworked oscillating weight featuring black lacquered Louis Erard symbol
Power reserve: approx. 38 hours

Functions
Hours, minutes, seconds
“Smiledays” day display
Date at 6 o’clock

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

Dial
Glossy grey with white transfers
Signature Alain Silberstein day disc (“Smiledays”) and date window at 6 o’clock

Flange
Glossy white with blue and red indexes
Grey transfers

Hands
Signature Alain Silberstein design
Red lacquered hour hand
Blue lacquered minute hand
Yellow lacquered second hand

Strap
Grey nylon strap with microblasted grade 2 titanium hardware
Hook-and-loop fastener system for quick adjustment
Functional catch spring bars for easy strap change
Width: 22.70 mm
Length: 225 mm
Fits wrist circumference: 140 – 200 mm

Collaboration
Designed in collaboration with Alain Silberstein
Limited edition of 178 pieces