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IWC Schaffhausen · Pilot's Watches

IWC Schaffhausen Big Pilot's Watch Perpetual Calendar TOP GUN Woodland

Reference IW503101 · Tool · 46.5 mm

121234567891011Ø 46.5 mm
Illustration drawn from the specifications: case to scale, colours and style approximate. Not a photo. Photos on the official page

Specifications

Reference
IW503101
Family
Pilot's Watches
Category
Tool
Status
Current
Case material
Ceramic
Case diameter
46.5 mm
Case thickness
15.5 mm Official
Lug-to-lug
—
Lug width
22 mm Official
Water resistance
100 m
Bezel
—
Calibre
52616 Official
Power reserve
168 h
Frequency
28,800 vph (4 Hz)

Official product page · retrieved October 16, 2026

Does it fit your wrist?

Enter your wrist circumference. The watch appears to scale on the flat top of the wrist.

121234567891011No lug-to-lug dataFlat top of the wrist 54.1 mm
Top view on a wrist, to scale
Flat top of the wrist 54.1 mmNo lug-to-lug dataCase diameter 46.5 mm
Side view, across 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
15.5 mm Official IWC October 16, 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.

Value Type Source Date
22 mm Official IWC October 16, 2026

Calibre source

Official IWC · retrieved October 16, 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.

  • IW503008 · TOP GUN Lake Tahoe
  • IW503001 · Edition Rodeo Drive
  • IW503004 · TOP GUN Edition Mojave Desert

Other Pilot's Watches references

Watch Ø Thickness Lug-to-lug Calibre
Big Pilot's Watch AMG G 63 (ceramic) IW506201 46.5 mm 14.6 mm — 52011
Big Pilot's Watch Perpetual Calendar Ceralume IW505801 46.5 mm 15.9 mm — 52616
Big Pilot's Watch Perpetual Calendar Tourbillon Le Petit IW504901 46.5 mm 16.1 mm — 51950
Big Pilot's Watch TOP GUN Edition Mojave Desert IW506003 46 mm 14.6 mm — 52111
Big Pilot's Watch (steel, 15.4 mm thick) IW501015 46.2 mm 15.4 mm — 52111
Big Pilot's Watch (steel, 15.6 mm thick) IW501001 46.2 mm 15.6 mm — 52111
Big Pilot's Watch AMG G 63 (18 ct 5N gold) IW501201 46.2 mm 14.3 mm — 52011
Big Pilot's Watch Constant Force Tourbillon IW590503 46.2 mm 13.5 mm — 94800
Big Pilot's Watch Perpetual Calendar IW503605 46.2 mm 15.4 mm — 52616
Big Pilot's Watch Perpetual Calendar TOP GUN Ceratanium IW503604 46.2 mm 15.4 mm — 52616
Pilot's Venturer Vertical Drive IW328601 44.4 mm 16.7 mm — 32722
Big Pilot's Watch 43 TOP GUN IW329801 43.8 mm 13.9 mm — 82100
Big Pilot's Watch Shock Absorber Tourbillon Skeleton XPL IW357701 44 mm 13 mm — 82915
Big Pilot's Watch Shock Absorber XPL Toto Wolff x Mercedes IW356201 44 mm 12.6 mm — 32101
Big Pilot's Watch Perpetual Calendar ProSet Le Petit Prince (ceramic) IW339601 42.9 mm 14.3 mm — 82665
Big Pilot's Watch 43 IW329301 43 mm 13.6 mm — 82100
Big Pilot's Watch 43 Spitfire IW329702 43 mm 14.4 mm — 82100
Big Pilot's Watch 43 Tourbillon Le Petit Prince (18 ct 5N gold) IW329502 43 mm 14.5 mm — 82905
Big Pilot's Watch 43 Tourbillon Le Petit Prince (platinum) IW329501 43 mm 14.5 mm — 82905
Big Pilot's Watch Perpetual Calendar ProSet IW329602 42 mm 14 mm — 82665
Big Pilot's Watch Perpetual Calendar ProSet Le Petit Prince (steel) IW329601 42 mm 14 mm — 82665
Pilot's Watch Automatic 41 TOP GUN Lake Tahoe IW328104 41 mm 11.4 mm — 32112
Pilot's Watch Automatic TOP GUN IW326906 41 mm 11.4 mm — 32111
Pilot's Watch Automatic 36 Le Petit Prince IW458802 36 mm 9.9 mm — 32102
Pilot's Watch Mark XX IW328201 40 mm 10.8 mm 49 mm 32111
Pilot's Watch Mark XX Le Petit Prince (18 ct 5N gold) IW328301 40 mm 10.3 mm — 32112
Pilot's Watch Mark XX Le Petit Prince (steel) IW328221 40 mm 10.8 mm — 32112
Pilot's Watch Mark XX Mercedes-AMG Petronas Formula One IW328210 40 mm 10.6 mm — 32111
Pilot's Watch Timezoner TOP GUN Woodland IW395601 46 mm 15 mm — 82760
Pilot's Watch Timezoner Edition Le Petit Prince IW395503 46 mm 15 mm — 82760
Pilot's Watch Timezoner TOP GUN Ceratanium IW395505 46 mm 15 mm — 82760
Pilot's Watch Chronograph TOP GUN IW389101 44.5 mm 15.7 mm — 69380
Pilot's Watch Chronograph IW378001 43 mm 14.8 mm — 69385
Pilot's Watch Performance Chronograph Perpetual Calendar IW388801 43 mm 16.5 mm — 89802
Pilot's Watch Chronograph 41 Le Petit Prince IW389410 41.9 mm 15.5 mm — 69381
Pilot's Watch Chronograph 41 TOP GUN IW389401 41.9 mm 15.5 mm — 69380
Pilot's Watch Chronograph 41 (18 ct 5N gold) IW388110 41 mm 14.5 mm — 69385
Pilot's Watch Chronograph 41 (steel) IW388101 41 mm 14.5 mm — 69385
Pilot's Watch Chronograph 41 TOP GUN Ceratanium IW388106 41 mm 14.5 mm — 69385
Pilot's Watch Performance Chronograph 41 IW388309 41 mm 14.7 mm — 69385
Pilot's Watch Performance Chronograph 41 AMG IW388304 41 mm 14.7 mm — 69385
Pilot's Watch Performance Chronograph 41 Year Of The Goat IW388310 41 mm 14.7 mm — 69385

Other IWC Schaffhausen models

Watch Ø Thickness Lug-to-lug Calibre
Ingenieur Automatic 42 IW338902 42 mm 11.5 mm — 82110
Ingenieur Perpetual Calendar 41 (steel) IW344903 41.6 mm 13.3 mm — 82600
Ingenieur Perpetual Calendar 41 (titanium) IW344904 41.6 mm 13.2 mm — 82600
Ingenieur Tourbillon 41 IW345901 41.6 mm 12.1 mm — 82905
Ingenieur Automatic 35 (18 ct 5N gold) IW324903 35.1 mm 9.4 mm — 47110
Ingenieur Automatic 35 (steel) IW324901 35.1 mm 9.4 mm — 47110
Show 62 more
Watch Ø Thickness Lug-to-lug Calibre
Ingenieur Automatic 40 (18 ct 5N gold) IW328702 40 mm 10.4 mm — 32111
Ingenieur Automatic 40 (steel) IW328901 40 mm 10.7 mm — 32111
Ingenieur Automatic 40 (titanium) IW328904 40 mm 10.8 mm — 32111
Aquatimer Chronograph Edition Galapagos Islands IW379502 45 mm 16.9 mm — 89365
Aquatimer Chronograph IW376803 44 mm 17 mm — 79320
Aquatimer Chronograph Edition Expedition Charles Darwin IW379503 44 mm 16.9 mm — 89365
Portugieser Yacht Club Chronograph IW390701 44.6 mm 14.3 mm — 89361
Aquatimer Automatic IW328801 42 mm 14.1 mm — 32111
Portugieser Tourbillon Retrograde Chronograph (18 ct 5N gold) IW394005 43.5 mm 15.9 mm — 89900
Portugieser Tourbillon Retrograde Chronograph (platinum) IW394006 43.5 mm 15.9 mm — 89900
Portugieser Sidérale Scafusia IW504101 46 mm 17.6 mm — 94900
Portofino Chronograph (18 ct 5N gold, calibre 75320) IW391035 42 mm 13.6 mm — 75320
Portofino Chronograph (18 ct 5N gold, calibre 79320) IW391025 42 mm 13.6 mm — 79320
Portofino Chronograph (steel, calibre 75320) IW391036 42 mm 13.6 mm — 75320
Portofino Chronograph (steel, calibre 79320) IW391027 42 mm 13.6 mm — 79320
Portofino Hand-Wound Eight Days IW510107 45 mm 11.7 mm — 59210
Portofino Hand-Wound Moon Phase IW516401 45 mm 13.1 mm — 59800
Portugieser Grande Complication (18 ct 5N gold) IW377602 45 mm 16.5 mm — 79091
Portugieser Grande Complication (platinum) IW377601 45 mm 16.5 mm — 79091
Portugieser Perpetual Calendar Tourbillon (18 ct 5N gold) IW504504 45 mm 15.2 mm — 51950
Portugieser Perpetual Calendar Tourbillon (platinum) IW504505 45 mm 15.2 mm — 51950
Portugieser Yacht Club Moon & Tide (18 ct 5N gold) IW344001 44.6 mm 13.4 mm — 82835
Portugieser Yacht Club Moon & Tide (steel) IW344002 44.6 mm 13.4 mm — 82836
Portugieser Eternal Calendar IW505701 44.4 mm 14.9 mm — 52640
Portugieser Perpetual Calendar 44 (18 ct 5N gold) IW503701 44.4 mm 15 mm — 52616
Portugieser Perpetual Calendar 44 (18 ct white gold) IW503703 44.4 mm 15 mm — 52616
Portugieser Perpetual Calendar IW503302 44.2 mm 14.9 mm — 52611
Portugieser Chronograph (18 ct 5N gold) IW371611 41 mm 13 mm — 69355
Portugieser Chronograph (18 ct white gold) IW371626 41 mm 13 mm — 69355
Portugieser Chronograph (steel) IW371604 41 mm 13 mm — 69355
Portugieser Chronograph Ceratanium IW371631 41 mm 13 mm — 69355
Portofino Chronograph 39 (steel, calibre 69355) IW391502 39 mm 13 mm — 69355
Portofino Chronograph 39 (steel, calibre 79350) IW391404 39 mm 12.7 mm — 79350
Portugieser Automatic 42 (18 ct 5N gold) IW501706 42.4 mm 13 mm — 52011
Portugieser Automatic 42 (18 ct white gold) IW501708 42.4 mm 13 mm — 52011
Portugieser Automatic 42 (steel) IW501701 42.4 mm 13 mm — 52011
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 Perpetual Calendar 42 (18 ct 5N gold) IW344202 42.4 mm 13.8 mm — 82650
Portugieser Perpetual Calendar 42 (steel) IW344203 42.4 mm 13.8 mm — 82650
Portugieser Yacht Club Perpetual Calendar 42 IW344101 42.4 mm 14.1 mm — 82651
Portofino Complete Calendar (18 ct 5N gold) IW359002 41 mm 11.7 mm — 32150
Portofino Complete Calendar (steel) IW359001 41 mm 11.7 mm — 32150
Portofino Automatic (18 ct 5N gold) IW356504 40 mm 9.2 mm — 35111
Portofino Automatic (steel) IW356501 40 mm 9.2 mm — 35111
Portofino Automatic 34 (18 ct 5N gold) IW357414 34 mm 8.6 mm — 35100
Portofino Automatic 34 (steel, 8.6 mm thick) IW357411 34 mm 8.6 mm — 35100
Portofino Automatic 34 (steel, 8.9 mm thick) IW657601 34 mm 8.9 mm — 35100
Portofino Automatic 37 (18 ct 5N gold) IW458606 37 mm 9.4 mm — 32111
Portofino Automatic 37 (steel) IW458601 37 mm 9.4 mm — 32111
Portofino Automatic Day & Night 34 (18 ct 5N gold) IW459805 34 mm 8.9 mm — 35180
Portofino Automatic Day & Night 34 (steel) IW459801 34 mm 8.9 mm — 35180
Portofino Automatic Moon Phase (18 ct 5N gold) IW459403 40 mm 11.1 mm — 35800
Portofino Automatic Moon Phase (steel) IW459401 40 mm 11.1 mm — 35800
Portofino Automatic Moon Phase 37 (18 ct 5N gold) IW659602 37.1 mm 11.3 mm — 32800
Portofino Automatic Moon Phase 37 (steel) IW459601 37.1 mm 11.3 mm — 32800
Portofino Perpetual Calendar (18 ct 5N gold) IW344602 40 mm 12.7 mm — 82650
Portofino Perpetual Calendar (steel) IW344601 40 mm 12.7 mm — 82650
Portofino Pointer Date IW359201 39 mm 10.7 mm — 35160
Portugieser Automatic 40 (18 ct 5N gold) IW358401 40.4 mm 12.4 mm — 82200
Portugieser Automatic 40 (18 ct white gold) IW358402 40.4 mm 12.4 mm — 82200
Portugieser Automatic 40 (steel) IW358303 40.4 mm 12.3 mm — 82200

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