IWC Schaffhausen · Portugieser
IWC Schaffhausen Portugieser Automatic
Reference IW500703 · Classic · 42.3 mm Discontinued
Specifications
- Reference
- IW500703
- Family
- Portugieser
- Category
- Classic
- Status
- Discontinued
- Case material
- Stainless steel, 18 ct rose gold
- Case diameter
- 42.3 mm
- Case thickness
- 14.1 mm Official
- Lug-to-lug
- 50.3 mm Third-party
- Lug width
- 22 mm Official
- Water resistance
- 30 m
- Bezel
- —
- Calibre
- 52010 Official
- Power reserve
- 168 h
- Frequency
- 28,800 vph (4 Hz)
Official product page · retrieved October 22, 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 50.3 mm on a flat top of 54.1 mm: 93 % 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 |
|---|---|---|---|
| 14.1 mm | Official | IWC | October 22, 2026 |
Lug-to-lug
| Value | Type | Source | Date |
|---|---|---|---|
| 50.3 mm | Third-party | The 1916 Company Review titled "IWC Portugieser Automatic 7 Days (IW5007-03) Review": "measures 14.2mm in thickness and 50.3mm from lug-to-lug". Median of 3 reviews of this case. | October 24, 2026 |
Lug width
Lug width is the gap between the lugs, where the strap fits. It is not lug-to-lug.
| Value | Type | Source | Date |
|---|---|---|---|
| 22 mm | Official | IWC | October 22, 2026 |
Calibre source
Official IWC · retrieved October 22, 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.
Other Portugieser references
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| Portugieser Automatic 42 IW501701 | 42.4 mm | 13 mm | — | 52011 |
| Portugieser Perpetual Calendar 42 IW344203 | 42.4 mm | 13.8 mm | 50.5 mm | 82650 |
| Portugieser Hand-Wound Tourbillon IW545801 | 42.4 mm | 10.8 mm | — | 81905 |
| Portugieser Hand-Wound Tourbillon Day & Night IW545901 | 42.4 mm | 10.8 mm | — | 81925 |
| Portugieser Yacht Club Perpetual Calendar 42 IW344101 | 42.4 mm | 14.1 mm | — | 82651 |
| Portugieser Automatic 40 IW358303 | 40.4 mm | 12.3 mm | 49 mm | 82200 |
| Portugieser Yacht Club Moon & Tide (steel) IW344002 | 44.6 mm | 13.4 mm | — | 82836 |
| Portugieser Perpetual Calendar IW503302 | 44.2 mm | 14.9 mm | 52.4 mm | 52611 |
| Portugieser Eternal Calendar IW505701 | 44.4 mm | 14.9 mm | — | 52640 |
| Portugieser Perpetual Calendar 44 IW503701 | 44.4 mm | 15 mm | — | 52616 |
| Portugieser Yacht Club Moon & Tide (18 ct 5N gold) IW344001 | 44.6 mm | 13.4 mm | 52.5 mm | 82835 |
| Portugieser Grande Complication IW377601 | 45 mm | 16.5 mm | — | 79091 |
| Portugieser Perpetual Calendar Tourbillon IW504505 | 45 mm | 15.2 mm | — | 51950 |
| Portugieser Automatic Boutique IW500713Discontinued | 42.3 mm | 14.1 mm | — | 52010 |
| Portugieser Hand-Wound Eight Days IW510212Discontinued | 43.2 mm | 12.3 mm | 51.2 mm | 59215 |
| Portugieser Sidérale Scafusia IW504101 | 46 mm | 17.6 mm | — | 94900 |
| Portugieser Annual Calendar IW503501Discontinued | 44.2 mm | 14.9 mm | — | 52850 |
| Portugieser Minute Repeater IW544907Discontinued | 44.2 mm | 14 mm | — | 98950 |
| Portugieser Perpetual Calendar (18 ct white gold, calibre 52610) IW503301Discontinued | 44.2 mm | 14.9 mm | — | 52610 |
| Portugieser Perpetual Calendar (calibre 52615) IW503404Discontinued | 44.2 mm | 14.9 mm | 52.3 mm | 52615 |
| Portugieser Tourbillon Mystère Rétrograde IW504601Discontinued | 44.2 mm | 14.9 mm | — | 51900 |
| Portugieser Perpetual Calendar Digital Date-Month IW397204Discontinued | 45 mm | 16 mm | 53.3 mm | 89801 |
| Portugieser Hand-Wound Monopusher IW515301Discontinued | 46 mm | 13.9 mm | — | 59360 |
| Portugieser Constant-Force Tourbillon IW590202Discontinued | 46 mm | 13.4 mm | — | 94805 |
| Portugieser Chronograph IW371604 | 41 mm | 13 mm | 48 mm | 69355 |
| Portugieser Tourbillon Chronograph IW394006 | 43.5 mm | 15.9 mm | — | 89900 |
| Portugieser Chronograph Ceratanium IW371631 | 41 mm | 13 mm | — | 69355 |
| Portugieser Yacht Club Chronograph IW390701 | 44.6 mm | 14.3 mm | — | 89361 |
| Portugieser Chronograph Classic IW390302Discontinued | 42 mm | 14.3 mm | — | 89361 |
| Portugieser Yacht Club Chronograph (calibre 89361) IW390503Discontinued | 43.5 mm | 14.1 mm | 53.5 mm | 89361 |
| Portugieser Chronograph (steel, 40.9 mm) IW371445Discontinued | 40.9 mm | 12.5 mm | 47.5 mm | 79350 |
| Portugieser Chronograph Rattrapante IW371222Discontinued | 40.9 mm | 12.4 mm | 47.7 mm | 76240 |
Other IWC Schaffhausen models
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| Portofino Complete Calendar IW359001 | 41 mm | 11.7 mm | — | 32150 |
| Portofino Automatic IW356501 | 40 mm | 9.2 mm | 45 mm | 35111 |
| Portofino Automatic Moon Phase IW459401 | 40 mm | 11.1 mm | — | 35800 |
| Portofino Perpetual Calendar IW344601 | 40 mm | 12.7 mm | — | 82650 |
| Portofino Hand-Wound Moon Phase IW516401 | 45 mm | 13.1 mm | 53 mm | 59800 |
| Portofino Pointer Date IW359201 | 39 mm | 10.7 mm | — | 35160 |