The IWC Portugieser Perpetual Calendar 42 Stainless Steel (Ref. IW344203) features a 42.4mm stainless steel case, silver-plated dial with perpetual calendar (day, date, month, year, moonphase), black alligator strap, and automatic Caliber 82650 with 60-hour power reserve.
The IWC Portofino Hand-Wound Moon Phase 18K 5N Gold Slate (Ref. IW516403) features a 45mm 18K 5N gold case, slate-grey dial with precision moon phase at 6 o'clock, date at 3 o'clock, 7-day power reserve indicator, dark brown alligator strap, and manual-wind Caliber 59800.
The IWC Portofino Hand-Wound Moon Phase 18K 5N Gold (Ref. IW516409) features a 45mm 18K 5N gold case, silver-plated dial with precision moon phase at 6 o'clock, date at 3 o'clock, 7-day power reserve indicator at 12 o'clock, blue alligator leather strap, and manual-wind Caliber 59800.
The IWC Portugieser Automatic 18K 5N Gold (Ref. IW500701) features a 42.3mm 18K 5N gold case, silver-plated dial, small seconds sub-dial at 6 o'clock, date window at 3 o'clock, brown alligator strap, and automatic Caliber 52010 with 7-day power reserve.
The IWC Da Vinci Perpetual Calendar Chronograph Stainless Steel Slate (Ref. IW392103) features a 43mm stainless steel case, slate-coloured dial with perpetual calendar (day, date, month, 4-digit year, moonphase) and 12-hour flyback chronograph, black alligator strap, and automatic Caliber 89630.
The IWC Big Pilot's Watch Perpetual Calendar Stainless Steel Blue (Ref. IW503605) features a 46.2mm stainless steel case with signature onion crown, blue luminous Arabic numeral dial, perpetual calendar (day, date, month, year, moonphase), 7-day power reserve indicator, blue calfskin strap, and automatic Caliber 52615.
The IWC Portugieser Annual Calendar 18K Red Gold (Ref. IW503504) features a 44.2mm 18K red gold case, silver-plated dial with annual calendar displaying day, date, month, and moon phase, black alligator strap, and automatic Caliber 52850 with Pellaton winding and 7-day power reserve.
The IWC Portugieser Perpetual Calendar 42 18K 5N Gold (Ref. IW344202) features a 42.4mm 18K 5N gold case, silver-plated dial with perpetual calendar (day, date, month, year, moonphase at 6 o'clock), brown alligator strap, and automatic Caliber 82650 with 60-hour power reserve.
The IWC Big Pilot's Perpetual Calendar Edition Rodeo Drive Ceramic (Ref. IW503001) features a 46.5mm black ceramic case, blue dial with luminous Arabic numerals, full perpetual calendar display, 7-day power reserve indicator, black calfskin strap, and automatic Caliber 52615.
The IWC Big Pilot's Perpetual Calendar Edition Racing Green Ceramic (Ref. IW503005) features a 46.5mm black ceramic case, bold racing green dial with perpetual calendar (day, date, month, 4-digit year, moon phase), 7-day power reserve indicator, black calfskin strap, and automatic Caliber 52615 (Limited Edition of 250 pieces).
The IWC Portofino Automatic Moon Phase 37 18K Gold Diamond (Ref. IW459010) features a 37mm 18K 5N gold case with 66-diamond bezel, silver-plated dial, moon phase display, date sub-dial, integrated Milanaise mesh gold bracelet, and automatic Caliber 35800.
The IWC Da Vinci Automatic 36 18K 5N Gold (Ref. IW458310) features a 36mm 18K 5N gold case measuring just 9.9mm thin, silver-plated dial, date window at 3 o'clock, integrated 5N gold bracelet, and automatic Caliber 35111.
The IWC Portugieser Perpetual Calendar 18K White Gold Slate Dial (Ref. IW503301) features a 44.2mm 18K white gold case, slate-coloured dial with perpetual calendar (day, date, month, 4-digit year, moonphase), 7-day power reserve indicator, black alligator strap, and automatic Caliber 52610.
The IWC Portugieser Perpetual Calendar 18K 5N Gold Slate Dial (Ref. IW503404) features a 44.2mm 18K 5N gold case, slate-coloured dial with perpetual calendar (day, date, month, 4-digit year, moonphase), 7-day power reserve indicator at 3 o'clock, black alligator strap, and automatic Caliber 52615.
The IWC Portugieser Perpetual Calendar 18K White Gold Midnight Blue (Ref. IW503401) features a 44.2mm 18K white gold case, midnight blue dial with perpetual calendar (day, date, month, 4-digit year, moonphase), 7-day power reserve indicator at 3 o'clock, black alligator strap, and automatic Caliber 52615.
The IWC Big Pilot's Watch Perpetual Calendar TOP GUN Ceratanium (Ref. IW503604) features a 46.2mm proprietary Ceratanium case and integrated bracelet, matte black dial with perpetual calendar (day, date, month, year, moon phase), 7-day power reserve indicator, and automatic Caliber 52615.
The IWC Portugieser Perpetual Calendar Platinum Limited Edition (Ref. IW503406) features a 44.2mm 950 platinum case, silver-plated dial with perpetual calendar displaying day, date, month, 4-digit year, and perpetual moonphase, black alligator strap, and automatic Caliber 52615 (Limited Edition of 250 pieces).
The IWC Da Vinci Perpetual Calendar Chronograph Platinum (Ref. IW392104) features a 43mm 950 platinum case, silver-plated dial with full perpetual calendar (date, day, month, 4-digit year, moonphase), 12-hour flyback chronograph, black alligator strap, and automatic Caliber 89630 (Limited Edition of 100 pieces).
The IWC Portofino Hand-Wound Tourbillon Retrograde 18K 5N Gold (Ref. IW516501) features a 45mm 18K 5N gold case, silver-plated dial, flying tourbillon at 6 o'clock, retrograde jumping date hand, 7-day power reserve indicator at 12 o'clock, dark brown alligator strap, and manual-wind Caliber 59900.
The IWC Portugieser Hand-Wound Tourbillon 18K Armor Gold (Ref. IW545801) features a 42.4mm 18K Armor Gold case measuring just 10.8mm thin, silver-plated dial, 60-second flying tourbillon at 6 o'clock, power reserve indicator, black alligator leather strap, and manual-wind Caliber 81905 with 8-day power reserve.
International Watch Company was founded in 1868 by Florentine Ariosto Jones — an American watchmaker from Boston who traveled to Schaffhausen with a radical idea: combine American industrial manufacturing methods with Swiss artisanal finishing. Jones chose Schaffhausen specifically because it was the only Swiss town with a hydroelectric power plant, which could drive the automated lathes and milling machines he needed for mass production of high-quality movements. That founding principle — industrial precision married to hand-finishing — remains the IWC identity today. The brand does not chase ultra-thin records or astronomical complications; it builds robust, legible, technically honest watches designed to perform reliably for decades.
Explore Our Collections:
In the late 1930s, two Portuguese businessmen requested precision deck-observed watches from IWC — marine chronometer-grade timepieces that could be worn on the wrist. IWC responded by housing its hunter-pocket-watch calibers in oversized cases (43–44mm), fitted with thin bezels and ultra-legible Arabic numerals. The result was too large for the era and production was minimal, but the design was rediscovered in the 1990s when oversized watches became fashionable. The modern Portugieser Chronograph (ref. 3716) carries that DNA: a 41mm case, applied Arabic numerals, feuille hands, and a clean two-register layout that has become one of the most copied dial designs in the industry. The in-house caliber 69355 (introduced 2021) replaced the long-running ETA 7750-based 79350, adding a column-wheel mechanism and 46-hour power reserve.
IWC occupies a pragmatic position on the secondary market. The brand carries strong recognition and legitimate horological credibility — the Pellaton winding system, the ceramic components in modern movements, and the 5-year warranty on new watches all signal serious engineering. Yet pre-owned pricing is highly accessible: a Portugieser Chronograph in steel that retails for $8,450 can be acquired pre-owned for $4,500–$6,000. The Pilot Mark XX trades at 30–45% off retail. This is not a reflection of quality — it is a reflection of market dynamics. IWC does not artificially restrict supply the way some competitors do, so the secondary market reflects actual value rather than scarcity premium. For buyers who prioritize substance over speculation, IWC is one of the smartest buys in Swiss watchmaking.
Our Diamond District specialists provide transparent, market-accurate valuations for every IWC reference. We understand the nuances: movement generation (in-house 69355 vs. ETA 7750-based 79350), case material, dial variation (blue vs. silver vs. black), and the presence of the original box and warranty card all factor into the offer. Walk into our 47th Street showroom for an immediate appraisal, or use our fully insured Parcel Pro shipping label for a remote evaluation with same-day payment upon acceptance.
Our showroom is located at 20 W 47th St., Suite 401, New York, NY 10036. Walk-ins welcome for appraisals and same-day purchases.
Hours: Mon–Fri 9 AM – 6 PM | Sat–Sun Closed | Phone: +1 (646) 429-9412
Get the highest market value for your Portugieser, Pilot, or Portofino — with immediate same-day funding.
