The IWC Big Pilot’s Watch Perpetual Calendar (Ref. IW503605) is significant for bringing one of the brand's most complex, legendary complications into a regular-production stainless steel model with a striking blue dial. It is a "tool watch with a doctorate," blending a rugged 46mm pilot's design with a highly user-friendly, accurate perpetual calendar system

Set it and forget it – you won't have to change the time, day, date, month, year, or moon phase until the year 2100......

Purchased New May 2022 from IWC Authorized dealer per the IWC Warranty Card and original Purchase Receipt

Recent Factory Service: Completed 11/2025 per IWC Factory Service Receipt...

Extended IWC Factory Warranty Good thru May 2030 per IWC Digital Registry....

Condition: Rarely (if ever) worn--Can't find a single mark, scratch, or sign of wear anywhere on this watch. No scratches on Sapphire crystals (either), no marks on bezel or case, caseback or sides of case. Seriously, one look at this watch and you'd swear this watch was never worn. All pictures are of actual watch.

Strap/Buckle: fitted to original IWC midnight blue leather 'Big Pilot Rivets' calfskin strap and Newest Generation IWC folding deployant buckle in stainless steel. No signs of wear on strap or buckle, strap is curved from sitting on IWC pillow. Both strap and buckle are original IWC with appropriate brand stamps and hallmarks.

46mm Stainless Steel Case: The watch maintains the classic Big Pilot aesthetic—an oversized, commanding presence on the wrist (15.4mm thick) with a large, screw-in conical crown

100% Complete with EVERYTHING as purchased new direct from iwc dealer including:

• original IWC oversized Presentation Boxset

• original IWC plastic Warranty Card, IWC Serialized hang tag, IWC Service Receipt, original IWC AD Purchase Receipt

• original IWC Perpetual Calendar Instruction Book, IWC Service Booklet, IWC Warranty Booklet, Capsule with 2200 Date wheel,

• everything as purchased new and as pictured!

Our team of professional watchmakers have inspected and serviced this watch and confirmed that it is keeping 'spot-on' accurate time, well within manufacturer's specifications.  We guarantee the mechanical functionality is watch for 12-months from date of purchase.

Total Transparency is our #1 Brand Value. We guarantee:

1. This Watch is in our hands and available for immediate overnight delivery. This is the watch you will receive; We ONLY have 1 and this is it! When it's gone, it's gone for good!

2. All pictures are of actual watch and contents taken date of auction posting. We never use stock photos for our watch listings. What You See Is (EXACTLY) What You Will Receive.

3. Call OJ by 4pm TODAY and have this watch on your wrist in time for lunch TOMORROW (no exaggeration, no BS, try us!)

We are always open to considering interesting watches in trade.  Please contact us with any watches you are looking to trade.