Skip to content

IWC

IWC Big Pilot's Watch Perpetual Calendar Ceralume IW505801

The IWC Big Pilot's Watch Perpetual Calendar Ceralume (reference IW505801) is a 46.5 mm Luminescent ceramic (Ceralume) watch with a white dial. It runs on the automatic caliber 52616 with a 168-hour power reserve and is water resistant to 100 m. It was introduced in 2026 and is still in production.

Specifications

Case

Reference
IW505801
Collection
Big Pilot's Watch
Case size
46.5 mm
Thickness
15.9 mm
Case material
Luminescent ceramic (Ceralume)
Case shape
Round
Crystal
Convex sapphire; sapphire case back
Water resistance
100 m
Bracelet / strap
White Super-LumiNova-saturated rubber strap

Dial and bezel

Dial
White

Movement

Movement
Automatic
Caliber
52616
Power reserve
168 hours
Frequency
28,800 vph
Jewels
54
Functions
Perpetual calendar, Double Moon

Production

Production
2026 – today (current)

Dial versions

This reference was made with these dials and finishes.

  • IW505801 White

    Fully luminous Super-LumiNova

Quick answers

What size is the IWC Big Pilot's Watch Perpetual Calendar Ceralume IW505801?
The IWC Big Pilot's Watch Perpetual Calendar Ceralume IW505801 has a 46.5 mm case, 15.9 mm thick.
What movement does the IWC Big Pilot's Watch Perpetual Calendar Ceralume IW505801 use?
It uses the automatic caliber 52616, with a 168-hour power reserve.
How water resistant is the IWC Big Pilot's Watch Perpetual Calendar Ceralume IW505801?
It is water resistant to 100 metres.
Is the IWC Big Pilot's Watch Perpetual Calendar Ceralume IW505801 still in production?
Yes, it is a current reference.
When did the IWC Big Pilot's Watch Perpetual Calendar Ceralume IW505801 come out?
It was introduced in 2026.
What is the IWC Big Pilot's Watch Perpetual Calendar Ceralume IW505801 made of?
The case is Luminescent ceramic (Ceralume). Bracelet or strap: White Super-LumiNova-saturated rubber strap.

Catalog facts checked November 2026.