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GR Factory New Release: Jaeger-LeCoultre Master Ultra Thin Perpetual Calendar Replica
After 3 years of research, GR Factory presents the Jaeger-LeCoultre Master Ultra Thin Perpetual Calendar, replicating the intricate 868 movement using an imported 9015 movement with full functionality identical to the original.
Key Features
- Perpetual Calendar
- 8 o’clock invisible pusher adjusts the month.
- Calendar operates from 2024–2029, simplifying module replacement.
- Date, Day, and Month
- Date (3 o’clock): Adjust via crown’s first position (forward and reverse).
- Day (9 o’clock): Adjust via crown’s second position (24-hour rotation).
- Month (6 o’clock): Adjust using the 8 o’clock pusher with the included tool.
- Warning Window
- White: Safe to adjust the year.
- Blue: Restricted adjustment zone to protect the movement.
- Moon Phase
- Located at 12 o’clock, completes a cycle every 30 days. Adjustable via the crown.
Design Highlights
- Case and Bezel: Precision CNC-crafted stainless steel, 39mm diameter, 10mm thickness.
- Dial: Raised indices, recessed subdials, and detailed windows replicate the original design.
- Hands: Dauphine-style hands, half-sandblasted, half-polished, with heat-treated steel blue hands.
| Size | 39mm x 10.8mm |
|---|---|
| Movement | Japanese MIYOTA 9015 automatic movement decorated to JLC 868 movement, Perpetual Calendar display |
| Functions | Hours, minutes, seconds, day, date, month, moonpase and year display |
| Case | Solid 316L stainless steel case |
| Crystal | Scratch-proof sapphire crystal with AR coating |
| Dial | Silver dial |
| Strap | Black leather strap |
| Clasp | Deployant clasp |
