Specifications
- Reference
- 103738
- Family
- Octo Roma
- Category
- Classic
- Status
- Current
- Case material
- Stainless steel, Steel and rose gold
- Case diameter
- 41 mm
- Case thickness
- 9.15 mm Official
- Lug-to-lug
- —
- Lug width
- —
- Water resistance
- 100 m
- Bezel
- —
- Calibre
- BVL 191 Official
- Power reserve
- 42 h
- Frequency
- 28,800 vph (4 Hz)
Official product page · retrieved October 23, 2026
Does it fit your wrist?
Enter your wrist circumference. The watch appears to scale on the flat top of the wrist.
No lug-to-lug figure exists for this reference yet, so fit cannot be computed.
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 |
|---|---|---|---|
| 9.15 mm | Official | Bvlgari | October 23, 2026 |
Lug-to-lug
No source gave this figure yet.
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 Bvlgari · retrieved October 23, 2026
Other versions in the same case
These references share this case and differ by metal, dial, bracelet or bezel. The figures on this page apply to all of them, except where a reference shows its own thickness.
- 103739 · blue Clous de Paris dial, polished and satin-brushed stainless steel bracelet
- 103740 · anthracite Clous de Paris dial, polished and satin-brushed stainless steel bracelet
- 103927 · black Clous de Paris dial, black rubber strap
- 103928 · grey Clous de Paris dial, satin-brushed and polished bracelet
- 104091 · green Clous de Paris dial, satin-brushed and polished stainless steel bracelet
- 103926 · Steel and rose gold
- 103925 · DLC steel
Other Octo Roma references
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| Octo Roma Papillon Central Tourbillon 103475 | 41 mm | 11.77 mm | — | BVL 332 |
| Octo Roma Naturalia 103675 | 44 mm | 11.35 mm | — | BVL 206 |
| Octo Roma Papillon Tourbillon 103748 | 44 mm | 11.9 mm | — | BVL 348 |
| Octo Roma Tourbillon Sapphire (rose gold) 103699 | 44 mm | 11.3 mm | — | BVL 206 |
| Octo Roma Tourbillon Sapphire (titanium) 103914 | 44 mm | 11.65 mm | — | BVL 206 |
| Octo Roma Chronograph 103471 | 42 mm | 12.4 mm | — | BVL 399 |
Other Bvlgari models
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| Octo Finissimo Automatic 103297 | 40 mm | 6.4 mm | — | BVL 138 |
| Octo Finissimo Automatic (ceramic) 103077 | 40 mm | 5.5 mm | — | BVL 138 |
| Octo Finissimo Automatic (titanium) 102713 | 40 mm | 5.15 mm | — | BVL 138 |
| Octo Finissimo CarbonGold Automatic 103779 | 40 mm | 6.9 mm | — | BVL 138 |
| Octo Finissimo Marble Tourbillon 104171 | 40 mm | 5.35 mm | — | BVL 268 |
| Octo Finissimo Minute Repeater 103669 | 40 mm | 6.61 mm | — | BVL 362 |
Show 11 more
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| Octo Finissimo Perpetual Calendar 103200 | 40 mm | 5.8 mm | — | BVL 305 |
| Octo Finissimo Skeleton 8 Days 103610 | 40 mm | 5.95 mm | — | BVL 199 SK |
| Octo Finissimo Tourbillon 104248 | 40 mm | 4.85 mm | — | BVL 268 |
| Octo Finissimo Tourbillon Automatic (carbon) 103072 | 42 mm | 5.38 mm | — | BVL 288 |
| Octo Finissimo Tourbillon Automatic (platinum) 103976 | 42 mm | 4.95 mm | — | BVL 288 |
| Octo Finissimo Tourbillon Skeleton 103984 | 40 mm | 4.85 mm | — | BVL 268 SK |
| Octo Finissimo Ultra COSC 104081 | 40 mm | 1.7 mm | — | BVL 180 |
| Octo Finissimo Ultra Platinum 103832 | 40 mm | 1.8 mm | — | BVL 180 |
| Octo Finissimo Chrono GMT 103068 | 42 mm | 6.9 mm | — | BVL 318 |
| Octo Finissimo Chronograph 104192 | 43 mm | 8.75 mm | — | BVL 318 |
| Octo Finissimo Tourbillon Skeleton Chronograph 103510 | 43 mm | 7.4 mm | — | BVL 388 |