Comparison
Chronoswiss CH-4023-GRBK vs Longines Ultra–Chron Classic
Sourced specs side by side. A value is highlighted only where one is objectively greater (power reserve); size and the rest are a matter of taste. unknown means no sourced value yet.
At a glance
- Both use an automatic movement.
- Both cases measure 37 mm across.
| Spec | CH-4023-GRBK | Ultra–Chron Classic |
|---|---|---|
| Brand | Chronoswiss | Longines |
| Family | Regulator | UltraChron |
| Reference | CH-4023-GRBK | Ultra–Chron Classic |
| Production start | unknown | unknown |
| Production end | unknown | unknown |
| Status | Current | unknown |
| Retail price | unknown | unknown |
| Case material | Stainless steel | unknown |
| Diameter | 37 mm | 37 mm |
| Movement | Automatic | Automatic |
| Caliber | unknown | unknown |