Comparison
D1 Milano D1-CHBJ28 vs D1 Milano D1-UTBJ31
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 belong to the D1 Milano Black family.
- D1 Milano D1-UTBJ31 is 1 mm larger (40 mm vs 39 mm).
- Both cases are stainless steel.
| Spec | D1-CHBJ28 | D1-UTBJ31 |
|---|---|---|
| Brand | D1 Milano | D1 Milano |
| Family | Black | Black |
| Reference | D1-CHBJ28 | D1-UTBJ31 |
| Production start | unknown | unknown |
| Production end | unknown | unknown |
| Status | Current | Current |
| Retail price | unknown | unknown |
| Case material | Stainless steel | Stainless steel |
| Diameter | 39 mm | 40 mm |
| D1 Milano D1-UTBJ31 is 1 mm larger | ||
| Movement | Quartz | unknown |
| Caliber | Miyota 0S60 | Miyota 1L22 |
| Winding | Quartz | Quartz |
| Power reserve | unknown | unknown |
| Jewels | unknown | unknown |
| Frequency | unknown | unknown |
| Complications | unknown | unknown |