| Manufacturer | Sellita |
| Caliber Number | AMT5100 M |
| Base Caliber | SW510 M |
| Movement Type | Mechanical, manual-wind chronograph |
| Lignes | 13.25”’ |
| Diameter | 30mm |
| Height | 7mm |
| Jewels | 23 |
| Beat Rate | 28,800 bph, 4Hz |
| Lift Angle | 50 degrees |
| Acceptable Amplitude | 200-315 degrees |
| Power Reserve | ~58 hours |
| Hacking Seconds? | Yes |
| Quickset Calendar? | Yes |
| Chronograph System | Column wheel |
| Anti-Shock Device | Incabloc |
| Mainspring | Niavaflex |
| Hairspring Collet | Nivatronic |
| Hand Count | 5 |
| Functions | Central hours; central minutes; central chronograph seconds hand; small running seconds at 9:00; 30 minutes chronograph counter at 3:00 |
| Other Features | 3-9 bi-compax style subdial layout, flyback |
| Country of Manufacture | Switzerland, Swiss made |
| Known Models | Hanhart Pioneer 417 ES, Hanhart 417 ES 1954 Flyback Panda 39, Hanhart 417 ES 1954 Flyback Reverse Panda 39, Hanhart 417 ES Flyback Panda 42, Hanhart 417 ES Flyback Reverse Panda 42 (Add your watch in the comments below…) |
The Sellita Caliber AMT5100 M is a bi-compax manual-wind mechanical flyback chronograph watch movement. It is Swiss made with 23 jewels and a beat rate of 28,800vph.
The AMT in the caliber number means that this caliber was produced by Manufacture AMT SA, a division of Sellita that handles higher-end or custom/bespoke movements.
In Hanhart’s own words:
“In tribute to our long tradition of producing chronographs, we are bringing the flyback function back to our most popular collection. Even the historic 417 ES, originally designed for pilots of the German Air Force, was equipped with “Temposchaltung”, as the flyback function is also called. The mechanism allows immediate measurement of a new timing interval by using the reset pusher. The new, first-class AMT5100 M calibre originates from Sellita’s manufacture AMT department. It controls the chronograph via column wheel and has a power reserve of at least 58 hours when fully wound.” –Source
Additional Resources:
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