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Past Collections, 2015

IW379401

Aquatimer Perpetual Calendar Digital Date-Month

18 ct 5N gold Case, Automatic winding, Diameter 49.0 mm.

Made in Switzerland

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Please contact us to reserve this item
Limited Availability – contact us to purchase over the phone

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Our Concierge will be happy to help you complete your purchase, find out availability in our boutiques or answer any questions

Or send us a message through our online form. 


See technical details

Our Concierge will be happy to help you complete your purchase, find out availability in our boutiques or answer any questions

Or send us a message through our online form. 

IW379401 Specifications

Case

Case

  • 18 ct 5N gold Case
  • Diameter 49.0 mm
  • Height 19.4 mm
  • Screw in crown
  • Water resistance 10.0 bar

Movement

Movement

  • 89801 Calibre
  • IWC-manufactured movement
  • Automatic winding
  • 68 Hours power reserve
  • Frequency 28800.0 VPH (4.0 Hz)
  • 474 Components
  • 51 Jewels
  • Côtes de Genève

Features

Features

  • Small hacking seconds
  • IWC bracelet quick-change system
  • Sapphire glass, convex, antireflective coating on both sides
  • Mechanical external/internal rotating bezel with SafeDive system
  • Flyback function
  • Hour and minute counters combined in a totalizer at 12 o’clock
  • Chronograph function with hours, minutes and seconds
  • Perpetual calendar with large double-digit displays for date and month and leap year display
  • Limited to 50 pieces

dial

dial

  • Black dial with luminescence

Strap

Strap

  • Black rubber strap with IWC-patented quick-change system
  • Strap width 22.0 mm
AQUATIMER collection image
AQUATIMER collection image

Official Documents

Make the most out of your IWC watch to make it last longer. Here’s all the useful information for its maintenance.

 

 

Care for your IWC Watch

 

Like any precision mechanical instrument, a watch from IWC Schaffhausen needs regular care and maintenance.

Learn more about your watch and how to maintain it. 

 

Complete Service

 

It involves a full overhaul of the timepiece and is a complex, largely manual task that takes several hours.

 

 

 

HOW-TO TIPS

 

Learn how to clean your watch, wind it and more in our six-part “How To…” video series.

 

 

 

 

FAQS

 

If you can’t find answers to your questions here, please feel free to contact a member of our service staff.

 

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