Specifications
- Reference
- 126600
- Family
- Sea-Dweller
- Category
- Dive
- Status
- Current
- Case material
- Oystersteel
- Case diameter
- 43 mm
- Case thickness
- 15 mm Third-party
- Lug-to-lug
- 50.1–51 mm⚠ 2 sources
- Lug width
- —
- Water resistance
- 1,220 m
- Bezel
- Rotating, diver
- Certifications
- Superlative Chronometer
- Calibre
- 3235 Official
- Power reserve
- about 70 h
Official product page · retrieved October 14, 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 51 mm on a flat top of 54.1 mm: 94 % 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 |
|---|---|---|---|
| 15 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. Listed for ref. 126600. | October 14, 2026 |
Lug-to-lug
⚠ Sources disagree. These sources differ by more than 0.8 mm. Fit checks use the larger value, 51 mm.
| Value | Type | Source | Date |
|---|---|---|---|
| 51 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. Listed for ref. 126600. | October 14, 2026 |
| 50.1 mm | Community | Omega Forums (user Walrus, citing a third-party guide) Posted as a reference list. The author says he cannot vouch for its accuracy and the measuring method is not stated. | 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 14, 2026
Other Rolex models
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| Deepsea 136660 | 44 mm | 17.7 mm | 51.5 mm | 3235 |
| Yacht-Master 42 (RLX titanium) 226627 | 42 mm | — | — | 3235 |
| Submariner 124060 | 41 mm | 12.2–12.5 mm⚠ | 47.6–48.2 mm | 3230 |
| Submariner Date 126610LN | 41 mm | 12.2–12.5 mm⚠ | 47.6–48.2 mm | 3235 |
| Yacht-Master 40 126622 | 40 mm | 11.7 mm | 47–47.3 mm | 3235 |
| Deepsea Challenge 126067 | 50 mm | 23 mm | 61 mm | 3230 |
Show 15 more
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| Explorer II 226570 | 42 mm | 12.5 mm | 50.5 mm | 3285 |
| Sky-Dweller 336934 | 42 mm | 14.1 mm | 50 mm | 9002 |
| Air-King 126900 | 40 mm | 11.6 mm | 48 mm | 3230 |
| Explorer 40 224270 | 40 mm | 11.6 mm | 46.5 mm | 3230 |
| GMT-Master II 126710BLNR | 40 mm | 12 mm | 47.6–48 mm | 3285 |
| Explorer 36 124270 | 36 mm | 11.5 mm | 44 mm | 3230 |
| Cosmograph Daytona 126500LN | 40 mm | 11.9 mm | 46.5 mm | 4131 |
| Oyster Perpetual 41 134300 | 41 mm | — | — | 3230 |
| Datejust 41 126334 | 41 mm | 11.9 mm | 46.5–47.5 mm⚠ | 3235 |
| Land-Dweller 40 127334 | 40 mm | 9.7 mm | 46.5 mm | 7135 |
| Datejust 36 126200 | 36 mm | 11.5 mm | 44 mm | 3235 |
| Oyster Perpetual 31 277200 | 31 mm | — | — | 2232 |
| Oyster Perpetual 34 124200 | 34 mm | — | — | 2232 |
| Oyster Perpetual 36 126000 | 36 mm | 11.6 mm | 44 mm | 3230 |
| Datejust 36 (fluted bezel) 126234 | 36 mm | 11.5 mm | 44 mm | 3235 |