Chapter I · In formation
Lumière
A study in quiet curvature. Soft geometry shaped around light and proportion. Presence without ornament.
Specifications reflect current architectural intent.
Pricing and reveal shared with Chapter I members first.

A countdown of milestones, not minutes
- 01
Form
Case geometry settled
- 02
Dial
Surface and markers in refinement
- 03
Bracelet
Integration under development
- 04
Calibre
Final validation to come



Detail studies · the final piece is in refinement
Architecture
- Case
- 316L stainless steel · finishing under development
- Bracelet
- Integrated · rice-link inspired
- Case back
- Closed medallion back
- Crystal
- Sapphire · inner anti-reflective coating
- Water resistance
- 5–10 ATM
Display
- Function
- Time only · central seconds
- Markers
- Applied · final material under review
- Dial
- Ultra-subtle texture, designed to recede
- Dial text
- Minimal branding
Movement
- Caliber
- Sellita SW300-1 or equivalent Swiss automatic
- Winding
- Automatic
- Power reserve
- Approximately 50–56 hours, subject to final caliber selection
- Regulation
- Final adjustment standard under validation
Dimensions
- Case diameter
- 33–34 mm
- Thickness
- Target under 9 mm
- Lug-to-lug
- Target under 41 mm
Production & release
Lumière is in development. Technical validation, final specification, and production sequencing remain in progress. Chapter I members are written to first as each stage settles.