Bokey TimeThe 9F Factory presents the new Jaeger-LeCoultre Master Geographic model Q1428421.
A newly upgraded edition focused on enhanced stability and refined case replication, this model closely reproduces the original proportions and case feel, with thickness controlled to match the authentic specifications.
Specifications
Case size: 39mm × 11.8mm ;Design: refined case geometry with improved structural accuracy
Movement Upgrade
This upgraded version uses a modified Japanese MIYOTA 9100 base movement, reconfigured into a CAL.939A/1-style architecture. It supports a full set of functions including:
Hours, minutes, seconds ;Dual time zone display ;Date display ;Day/night indicator ;World time function ;Power reserve display
The movement is designed with improved stability compared to earlier iterations.
Bracelet
Stainless steel bracelet is produced using original-spec mold construction, with fine detail replication down to 1:1 standards for improved authenticity in appearance and feel.
A refined interpretation of the Master Geographic concept, emphasizing functional complexity, multi-time display capability, and upgraded mechanical stability.
