Hanhart
Thermosphere Limited Edition
775.274-6428
Created with Baden-Württemberg’s firefighters’ association, the 112-piece Thermosphere uses its bezel to mark breathing-apparatus intervals.

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Specifications
| Reference | 775.274-6428 |
|---|---|
| Style | dive |
| Movement | automatic |
| Calibre | Sellita SW200-1 or Soprod P024 automatic; 28,800 vph / 4Hz; 25 jewels |
| Diameter | 42 mm |
| Power reserve | 38 hours |
| Water resistance | 300 m |
| Release date | 2026-06-16 |
Omitted specifications have not been confirmed. From published article 2026-10-21. Original source ↗
Read the stories
Hanhart’s Thermosphere turns a diver into a firefighter’s timer ↗