Louis Erard x Alain Silberstein Smile Day Blue

Movement

• Calibre: BCP T02 tourbillon régulateur mechanical hand-wound

• Dimensions: 31.80 mm diameter × 6.50 mm height

• Jewels: 19

• Frequency: 21,600 VpH (3 Hz)

• Decoration: Circular on the movement

• Power reserve: Approx. 100 hours

• Tourbillon: Cage makes complete rotation every 60 seconds

Functions

• Tourbillon HMS

• Hour hand: Counter at 12 o'clock

• Minute hand: Central

• Seconds hand: Counter at 6 o'clock

Case

• Materials: Microblasted grade 2 titanium and polished grade 5 titanium

• Dimensions: 40 mm diameter × 11.80 mm thickness

• Lug width: 22 mm

• Lug-to-lug: 47 mm

• Construction: 2 pieces

• Crystal: Sapphire with anti-reflective treatment on both sides

• Caseback: Transparent, movement visible

• Water resistance: 10 bars (100 m / 330 ft)

• Crown: Alain Silberstein red lacquered signature with Louis Erard symbol

• Engraving: "LE x AS"

Dial

• Base: Blue sunray with white transfers

• Counter at 12 o'clock: Grey and red transfers

• Cut out at 6 o'clock: To see the tourbillon

Flange

• White silver opaline with blue and red indexes, grey transfers

Hands

• Alain Silberstein signature hands:

  • Hour: Red lacquered

  • Minute: White lacquered

  • Second: Yellow lacquered

Strap

• Material: Heathered blue nylon with microblasted grade 2 titanium

• Fastener: Hook-and-loop system for quick adjustment

• Spring bars: Functional catch for quick strap changes

• Dimensions: 22.70 mm width × 225 mm length

• Wrist circumference: 140–200 mm