Specifications
- Reference
- 136660
- Family
- Deepsea
- Category
- Dive
- Status
- Current
- Case material
- Oystersteel
- Case diameter
- 44 mm
- Case thickness
- 17.7 mm Third-party
- Lug-to-lug
- 51.5 mm Third-party
- Lug width
- —
- Water resistance
- 3,900 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.
At the limit
Lug-to-lug 51.5 mm on a flat top of 54.1 mm: 96 % of the width.
Lug-to-lug is 95 to 100% of the flat top. The lugs reach the edge, so check your wrist shape.
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 |
|---|---|---|---|
| 17.7 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. 136660. | October 14, 2026 |
Lug-to-lug
| Value | Type | Source | Date |
|---|---|---|---|
| 51.5 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. 136660. | 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 versions in the same case
These references differ only by dial, bracelet or bezel colour. The brand gives them the same case dimensions, so the figures on this page apply to them too.
Other Deepsea references
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| Deepsea Challenge 126067 | 50 mm | 23 mm | 61 mm | 3230 |
Other Rolex models
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| Sea-Dweller 126600 | 43 mm | 15 mm | 50.1–51 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 |
| Explorer II 226570 | 42 mm | 12.5 mm | 50.5 mm | 3285 |
Show 14 more
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| 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 |