IWC
IWC Portofino Hand-Wound Eight Days IW510107
The IWC Portofino Hand-Wound Eight Days (reference IW510107) is a 45 mm 18k 5N gold watch with a silver dial. It runs on the manual caliber 59210 with a 192-hour power reserve and is water resistant to 30 m.
Specifications
Case
- Reference
- IW510107
- Collection
- Portofino
- Case size
- 45 mm
- Thickness
- 11.7 mm
- Case material
- 18k 5N gold
- Case shape
- Round
- Crystal
- Sapphire
- Water resistance
- 30 m
- Bracelet / strap
- Leather strap
Dial and bezel
- Dial
- Silver
Movement
- Movement
- Manual
- Caliber
- 59210
- Power reserve
- 192 hours
- Frequency
- 28,800 vph
- Jewels
- 30
- Functions
- Date, Power reserve indicator, Small seconds
Production
- Production
- Current
Dial versions
This reference was made with these dials and finishes.
IW510107 Silver
Silver-plated dial
How it compares within the Portofino family
Side by side with other references in the same collection, from the catalog.
| Reference | Size | Material | Dial | Caliber | Years |
|---|---|---|---|---|---|
| IW510107 (This watch) | 45 mm | 18k 5N gold | Silver | 59210 | — |
| IW356501 | 40 mm | Stainless steel | Silver | 35111 | 2011– |
| IW356502 | 40 mm | Stainless steel | Black | 35111 | 2011– |
| IW356505 | 40 mm | Stainless steel | Silver | 35111 | 2011– |
| IW356527 | 40 mm | Stainless steel | Silver | 35111 | — |
| IW391029 | 42 mm | Stainless steel | Black | 79320 | — |
| IW458601 | 37 mm | Stainless steel | Silver | 32111 | — |
| IW459401 | 40 mm | Stainless steel | Silver | 35800 | — |
| IW459403 | 40 mm | 18k 5N gold | Silver | 35800 | — |
About the Portofino family
The Portofino was introduced in 1984 as IWC's round dress watch, named after the Italian harbour town. Its simple dial, slim bezel and classic case made it the brand's most understated line.
The catalog includes automatic time-and-date models, chronographs, moon phases and eight-day models, with calibers such as 35111 and 59210, in stainless steel, 18k 5N gold and 18k white gold. Dealers identify the size and function from the reference and check the strap or Milanese bracelet.
Quick answers
- What size is the IWC Portofino Hand-Wound Eight Days IW510107?
- The IWC Portofino Hand-Wound Eight Days IW510107 has a 45 mm case, 11.7 mm thick.
- What movement does the IWC Portofino Hand-Wound Eight Days IW510107 use?
- It uses the manual caliber 59210, with a 192-hour power reserve.
- How water resistant is the IWC Portofino Hand-Wound Eight Days IW510107?
- It is water resistant to 30 metres.
- Is the IWC Portofino Hand-Wound Eight Days IW510107 still in production?
- Yes, it is a current reference.
- What is the IWC Portofino Hand-Wound Eight Days IW510107 made of?
- The case is 18k 5N gold. Bracelet or strap: Leather strap.
Catalog facts checked October 2026.