Reference
Omega Speedmaster Day Date 40 Stainless Steel / Mark 40 / Bracelet 3520.53.00
The Omega Speedmaster 3520.53.00, so-called Mark 40, features a 39mm case, which houses the self-winding caliber 1151. The dial is Grey with Arabic numbers and a striking day-night subdial at 9:00.
| Reference | 3520.53.00 |
|---|---|
| Collection | Speedmaster (Non-Moonwatch) |
| Case diameter | 39 mm |
| Case material | Stainless Steel |
| Bezel | Tachymeter |
| Case shape | Round |
| Case back | Closed |
| Lug width | 18.00 mm mm |
| Movement | Omega caliber 1151Hours |
| Water resistance | 50 m |
| Dial colour | Grey |
| Indexes | Arabic Numerals |
| Hands | Stick |
| Crystal | Sapphire |
| Bracelet / strap | MK40 |
| Limited edition | Yes |
This is a reference-catalog entry for the Omega Speedmaster Day Date 40 Stainless Steel / Mark 40 / Bracelet 3520.53.00. WatchFlow's Watch Library lets a dealer attach a reference like this to a piece of stock in one click, so the brand, reference and specs are filled in automatically instead of retyped — then that record drives listings, invoices and reports. See how it fits the wider watch inventory management workflow.
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