Rolex · Oyster Perpetual
Rolex Oyster Perpetual 36 (Yellow Rolesor)
Reference 126003 · Classic · 36 mm
Specifications
- Reference
- 126003
- Family
- Oyster Perpetual
- Category
- Classic
- Status
- Current
- Case material
- Steel and yellow gold
- Case diameter
- 36 mm
- Case thickness
- 11.6 mm Third-party
- Lug-to-lug
- 44 mm Third-party
- Lug width
- —
- Water resistance
- 100 m
- Bezel
- Domed
- Certifications
- Superlative Chronometer
- Calibre
- 3230 Official
- Power reserve
- about 70 h
Official product page · retrieved October 15, 2026
Does it fit your wrist?
Enter your wrist circumference. The watch appears to scale on the flat top of the wrist.
Comfortable
Lug-to-lug 44 mm on a flat top of 54.1 mm: 81 % of the width.
Lug-to-lug is 75 to 95% of the flat top, the usual comfortable range.
Measurements and sources
Brands rarely publish thickness, lug width and lug-to-lug together. Each observation below is kept separate, with who gave it.
Case thickness
| Value | Type | Source | Date |
|---|---|---|---|
| 11.6 mm | Third-party | Bob's Watches Retailer size chart; the page says dimensions were taken with digital calipers on watches in its inventory and from other reputable sources. Figure listed for ref. 126000, the version of this case in another metal. | October 14, 2026 |
Lug-to-lug
| Value | Type | Source | Date |
|---|---|---|---|
| 44 mm | Third-party | Bob's Watches Retailer size chart; the page says dimensions were taken with digital calipers on watches in its inventory and from other reputable sources. Figure listed for ref. 126000, the version of this case in another metal. | October 14, 2026 |
Lug width
Lug width is the gap between the lugs, where the strap fits. It is not lug-to-lug.
No source gave this figure yet.
Calibre source
Official Rolex · retrieved October 15, 2026
Other Oyster Perpetual references
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| Oyster Perpetual 36 126000 | 36 mm | 11.6 mm | 44 mm | 3230 |
| Oyster Perpetual 34 124200 | 34 mm | — | — | 2232 |
| Oyster Perpetual 34 (18 ct Everose gold) 124205 | 34 mm | — | — | 2232 |
| Oyster Perpetual 34 (18 ct yellow gold) 124208 | 34 mm | — | — | 2232 |
| Oyster Perpetual 31 (Yellow Rolesor) 277203 | 31 mm | — | — | 2232 |
| Oyster Perpetual 31 277200 | 31 mm | — | — | 2232 |
| Oyster Perpetual 41 134300 | 41 mm | — | — | 3230 |
| Oyster Perpetual 28 (18 ct Everose gold) 276205 | 28 mm | — | — | 2232 |
| Oyster Perpetual 28 (18 ct yellow gold) 276208 | 28 mm | — | — | 2232 |
| Oyster Perpetual 28 (Oystersteel) 276200 | 28 mm | — | — | 2232 |
Other Rolex models
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| Datejust 36 (Yellow Rolesor, fluted bezel) 126233 | 36 mm | 11.5 mm | 44 mm | 3235 |
| Datejust 36 (Yellow Rolesor) 126203 | 36 mm | 11.5 mm | 44 mm | 3235 |
| Datejust 36 126200 | 36 mm | 11.5 mm | 44 mm | 3235 |
| Datejust 36 (Everose Rolesor, fluted bezel) 126231 | 36 mm | 11.5 mm | 44 mm | 3235 |
| Datejust 36 (Everose Rolesor) 126201 | 36 mm | 11.5 mm | 44 mm | 3235 |
| Datejust 36 (fluted bezel) 126234 | 36 mm | 11.5 mm | 44 mm | 3235 |