IWC Big Pilot Perpetual Calendar

Basic Info

• Model
  Big Pilot
• Movement
  Automatic
• Condition
  Used (Very Good)
• Scope of delivery
  Original box, Original paper
• Gender
  Men`s Watch/Unisex
• Year of production
  Unknown
• Availability
  Item is in stock

Case

• Case material
  Bronze
• Case diameter (mm)
  46 mm
• Water resistance
  6 ATM
• Crystal type
  Sapphire Crystal
• Dial numerals
  Arabic numerals

Functions & Others

• Functions
  4-year calendar, Month, Moon phase, Date, Perpetual calendar, Year
• Others
  Display back, Limited edition, Luminous numerals, Luminous hands

The IWC Big Pilot Perpetual Calendar IW503601 exemplifies the brand’s commitment to robust engineering and timeless style, first unveiled in the late 2010s as part of the esteemed Spitfire line.

This limited edition reference, restricted to only 250 pieces worldwide, features a substantial 46mm bronze case paired with a richly textured military green dial.

Driven by the in-house Caliber 51614 movement, the watch boasts a full perpetual calendar complication, including indications for the date, day, month, year, and moon phase, all automatically adjusting for leap years.

The movement is especially prized for its impressive 7-day power reserve, achieved through a Pellaton automatic winding system. Fitted with a domed sapphire crystal and exhibition caseback, the robust build ensures water resistance up to 60 meters while offering collectors a view of the intricately finished mechanism within.

The warm bronze case is matched by a custom bronze tang buckle, balancing contemporary aesthetics with utilitarian heritage. This model is further distinguished by luminous Arabic numerals and hands for optimal legibility.

Complete with original box and papers dated 2020 and supported by a full factory service scheduled for Q3 2025, the IW503601 stands as a coveted acquisition among collectors seeking rarity, advanced complications, and military-inspired IWC craftsmanship.

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