TWA Factory presents the V3 upgraded steel bracelet edition.
This is the highest-tier version in the market of the Jaeger-LeCoultre Master series, widely recognized by enthusiasts for its distinctive design language. While some call it “ugly,” it is actually a bold expression of refined taste and horological character, representing a strong presence in the world of luxury watch aesthetics.
Model: Jaeger-LeCoultre Master Series 1428121
Movement: Upgraded Cal.939A automatic movement with enhanced finishing closer to the original
Case Material: 316L stainless steel
Diameter: 42mm
Functions: Date display, dual time zone, power reserve indicator
Bracelet: Original-style steel bracelet, upgraded V3 version
Key upgrades:
Refined rotor design with rose-gold-toned edging
Improved movement finishing for a more authentic visual depth
Enhanced dial texture with clearer and more defined patterns
Upgraded structural detailing for improved wearing stability and visual refinement
TWA Factory craftsmanship focuses on delivering a balanced combination of aesthetics, mechanical feel, and durability, making this piece a strong choice for enthusiasts who appreciate the Master Geographic design language.




