Specifications
A concise reference view of the case, dial, bracelet and movement details buyers compare first.
Case
| Diameter | 36 mm |
|---|---|
| Thickness | 9.2 mm |
| Lug width | 19 mm |
| Shape | Round |
| Material | steel |
| Bezel | Fixed |
| Bezel material | Stainless Steel |
| Crown | Screw-Down |
| Crystal | Sapphire crystal |
| Water resistance | 10 bar / 100 m |
| Water Resistance Category | Swim |
Movement
| Calibre | Tudor Calibre T601 |
|---|---|
| Calibre family | T-series |
| Movement | automatic |
| Power reserve | 38 hours |
| Frequency | 28,800 vph |
| Jewels | 25 jewels |
| Stop Seconds | Yes |
| In House Movement | No |
Additional details
| Bezel Material Original | steel |
|---|
Dial and bracelet
| Dial | Black |
|---|---|
| Dial finish | Satin |
| Markers | Applied |
| Display | Analog |
| Date | Yes |
| Calendar | Simple |
| Lume | Super-LumiNova |
| Luminous display | Yes |
| Bracelet | Bracelet |
| Bracelet material | Steel |
| Strap material | Stainless Steel |
| Strap color | Silver |
| Clasp | Folding Clasp |
Functions and complications
| Complications | Date, Power Reserve |
|---|---|
| Complication count | 2 |
Reference details
| Gender | Unisex |
|---|---|
| Production status | Active |
| Origin | Switzerland |
| Warranty | 5 years |
| Size category | Medium |
Recent price movement
Tracking 5 daily market snapshots since July 2026. The solid line shows the median delivered estimate and the dashed line tracks the lowest available offer.
About this reference
The M91450-0004 broadens the Tudor 1926's proportions to 36 mm, pairing a black satin dial with a stainless-steel case, fixed bezel and bracelet. Applied markers and a sapphire crystal keep the dial precise, while the screw-down crown and 100-metre water resistance give the unisex-sized watch more than a purely formal presence.
Its T601 automatic calibre winds bidirectionally and can be wound by hand, with a quickset date integrated into the display. The movement measures 25.6 mm across and 5.5 mm high, carries 25 jewels and beats at 28,800 vph. A Nivarox hairspring, Swiss-lever escapement and 38-hour reserve make it a straightforward mechanical match for the 1926's enlarged, versatile proportions.








