IWC Pilot\'s Watch Chronograph - 43mm - Day-Date - IW377701 - OEM Santoni Leather For Sale

This reference represents pure cockpit instrument DNA: high-contrast matte black dial, altimeter-style vertical triple date window at 3 o\'clock with red indicator and running sub-seconds at 9 o\'clock with matching red hand.

Fitted to an authentic OEM IWC Santoni black calfskin leather strap with signature orange leather lining and OEM IWC stainless steel pin buckle.

• Brand: IWC Schaffhausen

• Model: Pilot\'s Watch Chronograph 43mm Day-Date

• Reference: IW377701

• Serial: 53XXXXX (matches warranty card)

• Movement: IWC Calibre 79320 Automatic Chronograph (28,800 vph, 25 jewels, 44-hour power reserve)

• Case Dimensions: 43.0 mm diameter | 15.2 mm thickness | 21.0 mm lug width

• Case Material: Stainless Steel with brushed flanks and polished bezel facets

• Crystal: Convex sapphire crystal, dual antireflective coating

• Crown & Water Resistance: Screw-in crown | 6 bar (60 meters / 200 feet)

• Dial: Matte Black with luminous hands and quarter indices (triangle at 12)

• Complications: 12-hour chronograph, day-of-week, triple-date window, small hacking seconds

• Cosmetic Condition: Excellent pre-owned condition. The case lines, bevels, and brushed grain remain sharp and crisp. The sapphire crystal with AR coating has no scratches or obvious marks. Light, honest signs of careful handling on the case and gentle wear on the OEM Santoni strap.

• Timegrapher Performance:

  • Rate: -3 seconds / day

  • Amplitude: 288 degrees

  • Beat Error: 0.1 ms

• Movement winds smoothly, chronograph starts/stops/resets cleanly back to zero, and Day/Date click over crisply at midnight.

• IWC Pilot\'s Watch Chronograph (IW377701)

• OEM IWC Santoni Black Calfskin Leather Strap with signature orange leather lining and OEM IWC Stainless Steel Pin Buckle

• Serialized IWC International Warranty Card (dated October 2015 and matches watch serial number)

• Shipping: Ships fully insured via FedEx Standard Overnight with direct signature required from Florida. International shipping available at buyer\'s cost.