IWC Pilot Pilot's Watch Spitfire Perpetual Calendar Digital Date-Month

Reference IW3791-05

About this watch

The IWC IW3791-05 Pilot's Watch Spitfire Perpetual Calendar Digital Date-Month is a masterpiece of horology, marrying precision with style in a luxurious package. Crafted from red gold, this watch exudes elegance and sophistication with its grey dial and Arabic numeral indexes. The automatic movement, powered by the IWC caliber 89801, boasts impressive functionality with a frequency of 28,800 vibrations per hour and a power reserve of 68 hours. With a water resistance rating of 60 meters, it's suitable for everyday wear, including swimming and snorkeling. The watch features a big date display, leap year indicator, and stopwatch function, making it perfect for the modern pilot, busy professional, or watch collector who appreciates both form and function.
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Key Features

  • Red gold case with 46mm diameter
  • Grey dial with Arabic numeral indexes
  • Automatic movement (IWC caliber 89801)
  • Water resistance up to 60 meters
  • Perpetual calendar display
  • Big date display in double digits
  • Leap year indicator

Specifications

Brand
IWC
Family
Pilot
Model
Pilot's Watch Spitfire Perpetual Calendar Digital Date-Month
Reference
IW3791-05
Movement
89801
Movement Features
  • Hours, Minutes, Small Seconds
  • Big Date, Leap Year, Month, Perpetual Calendar, Date
  • Chronograph, Flyback
Case
Red Gold 46mm
Dial Color
Grey
Crystal
Sapphire
Water Resistance
60

Current Listings

[WTS] 2022 IWC Pilot's Chronograph Green IW388104 41mm Full Set - $5,995

2022 IWC Pilot's Chronograph Green IW388104 41mm Full Set - $5,995

IWC - IW388104 · $5,995
A 2022 IWC Pilot's Chronograph Green IW388104 is for sale, featuring a 41mm case.

  • Condition: Excellent condition with minimal signs of wear
  • Case Size: 41mm diameter
Posted at
May 17, 2026, 11:32 PM
Active
[WTS] IWC Big Pilot 43 Bracelet for 21mm EasX System

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IWC - Big Pilot 43 · $925
A Big Pilot 43 model watch bracelet for a 21mm EasX system, featuring an on-the-fly microadjust mechanism and suitable for wrists up to 7.75 inches.

  • Condition: Like new with minor scratches on the clasp
  • Wrist size range: up to 7.75"
  • Clasp adjustment method: on-the-fly microadjust
Posted at
May 17, 2026, 5:37 PM
Active
[WTS] IWC Pilot Chronograph IW377709 – 2019 – Box + Receipt – Extra Straps

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IWC - IW377709 · $3,850
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  • Condition: Great preowned condition with normal minor wear visible on the case sides from careful use.
  • Case size: 43mm
  • Movement type: Automatic chronograph
Posted at
May 17, 2026, 3:20 PM
Active
[WTS] IWC Big Pilot 43 Blue on EasX Rubber

IWC Big Pilot 43 Blue on EasX Rubber

IWC - Big Pilot 43 · $4,800
2023 model IWC Big Pilot 43 on blue rubber strap with problem-free movement and cosmetic dent on top right lug. Includes box and papers.

  • Condition: Pre-owned, lightly worn
  • Strap material: blue rubber
  • Lug condition: small dent on top right lug
  • Warranty expiration date: September 2031
Posted at
May 17, 2026, 3:14 PM
Active
[WTS] IWC Mark XX Blue | Mark 20 Pilot IW328203

IWC Mark XX Blue | Mark 20 Pilot IW328203

IWC - IW328203 · $3,600
A IWC Mark XX Blue | Mark 20 Pilot, a pilot's watch from IWC's Mark collection.

  • Condition: great condition with few hairlines on outer AR coating
  • Accessories: full-kit (2022 Set)
  • Payment Methods: Wise/Revolut/Crypto, Paypal F&F or G&S
  • Shipping Method: Fedex
Posted at
May 17, 2026, 4:18 AM
Active
[WTS] IWC Mark XVIII 40mm Ref IW327017 — Clean Pilot, Cleaner Price / Under-the-Radar Daily Beast / 2030 Warranty

IWC Mark XVIII 40mm Ref IW327017 — Clean Pilot, Cleaner Price / Under-the-Radar Daily Beast / 2030 Warranty

IWC - IW327017 · $3,400
A clean and stylish IWC Mark XVIII pilot's watch with a silver dial, automatic movement, and exceptional legibility.

  • Condition: Pre-owned, running well and keeping great time
  • Case size: 40mm diameter
  • Lug width: 20mm
  • Crystal type: Sapphire crystal
Posted at
May 15, 2026, 9:28 PM
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[WTS] IWC Pilot’s Watch Chronograph “Mercedes-AMG Petronas Formula One Team” IW388108

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IWC - IW388108 · $6,275
This IWC Pilot's Watch Chronograph 'Mercedes-AMG Petronas Formula One Team' is in excellent condition, featuring the distinctive Petronas color accents and lightweight case design.

  • Condition: superb pre-owned condition
  • Case material: lightweight
  • Original box: yes
  • Warranty card date: 5/6/2022
Posted at
May 14, 2026, 6:49 PM
Active
[WTS] IWC Pilot’s Watch Chronograph Top Gun Ceramic Miramar ref IW388002

IWC Pilot’s Watch Chronograph Top Gun Ceramic Miramar ref IW388002

IWC - IW388002 · $5,450
This IWC Pilot's Watch Chronograph Top Gun Miramar features a ceramic case, military-inspired dial layout, and flyback functionality.

  • Condition: pristine, perfectly functioning condition
  • Case material: ceramic
  • Diameter: 44mm
  • Movement type: flyback chronograph
Posted at
May 14, 2026, 3:14 PM
Active
[WTS] IWC Pilot Chronograph Spitfire IW377719

IWC Pilot Chronograph Spitfire IW377719

IWC - IW377719 · $3,550
This IWC Pilot's Watch Chronograph Spitfire features a slate grey sunburst dial, stainless steel bracelet, and classic 43mm Spitfire case. The watch is running great and all functions are working as they should.

  • Condition: Excellent
  • Case Size: 43mm
  • Movement: IWC Cal. 79320 Automatic
  • Crystal: Sapphire
Posted at
May 12, 2026, 9:44 PM
Active