GST Perpetual Calendar is an automatic winding mechanical using the IWC Caliber 79261 with integrated chronograph and calendar module.
This piece is shock-resistant and is antimagnetic according to the NICHS 91-10 standards. The functions include hour, minute, small seconds, and a perpetual date featuring date, day, month, year and moonphase. This chronograph comes with 3 counters.
The polished and brushed finished stainless steel case comes with a diameter of 43mm, and a thickness of 16.7mm. The perforated bezel comes with curved sapphire crystal is antireflective.
It is equipped with a screw-down crown and a screw on back. It is water resistant to 12atm (120m). This piece comes in stainless steel bracelet which is polished and brushed, finished with a recessed fold-over clasp with safety pusher.
The dial comes in white grene on the three levels. The baton markers comes in blued steel with rhodium plated luminescent baton hands. It is also available with silvered, black, salmon or gray rhodium-plated dial or in titanium case with black dial.
The indications include date at 3 with hour counter and month at 6. Between 7 and 8, sits the 4-digit year, small seconds and day at 9 with minute counter and moonphase at 12.
It comes with center second counter with minute track at divisions of ¼ second with five-minute graduation.
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