The GST Perpetual Calendar Chronograph carries Kurt Klaus's celebrated perpetual calendar module, advancing day, date, month, moon phase, and a four-digit year display entirely through the crown — accurate until the year 2499. This 43mm stainless steel example is finished with a black dial and stainless steel bracelet, and comes complete with box, manuals, and an extra bracelet with links. (2021 Service by IWC with documentation)
SPECIFICATIONS
Brand: IWC
Model: GST Perpetual Calendar Chronograph
Reference: IW375615
Year: 2003
Case Size: 43mm
Case Material: Stainless Steel
Bezel Material: Stainless Steel, fixed
Dial: Black dial with applied silver baton hour indexes, luminous hands, day/date/month subdials, moon phase, and four-digit year indicator
Dial Color: Black
Bracelet/Strap Material & Color: Stainless Steel Bracelet, Blue Rubber Stap
Clasp: Stainless Steel fold-over deployant clasp
Water Resistance: 120 meters / 400 feet
CONDITION
This watch is in excellent condition. Please review the pictures closely for accuracy. The photos are taken with a high-powered macro lens and may show imperfections not typically seen with the human eye.
INCLUDES
Box
Manuals
IWC Cloth
Extra Bracelet with links
Double Pushers
IWC Replacement Century Slide
2021 IWC Service with documentation
WHY TRUST US
Every watch is authenticated and inspected in-house before listed.
Thousands of transactions backed by 5-star reviews across all platforms.
Transparent condition disclosures on every piece. No surprises after the sale.
Fully insured, overnight FedEx shipping is the standard, not the upgrade.
Every transaction is backed by an industry-leading 2-year mechanical warranty.
OUR SERVICES
Buy: Rolex, AP, Patek, RM, Vacheron, FP Journe, and other luxury brands
Sell: A straightforward evaluation and a fair offer on your watch, no guesswork.
Source: With an extensive network, sourcing takes days — not years on a waitlist.
Trade: We happily accept trades towards your next piece in your collection.
AUTHENTICITY GUARANTEE
Every watch sold by us is thoroughly authenticated and inspected by in-house specialists. We guarantee 100% authenticity and precise condition descriptions on all listings.
OUR DELIVERY
Within 24 hours of cleared payment receipt (excluding Sundays and holidays), we ship fully insured priority overnight FedEx for delivery to your home, business, or local FedEx Office with hold for pickup. ID/Signature is required.
OUR WARRANTY
Our watches are backed by an industry-leading 2-year warranty on the movement of the watch. Please care for your watch with the highest regard, as loss, theft, water damage, and damage caused by negligence or mishandling are not covered.
The GST Perpetual Calendar Chronograph carries Kurt Klaus's celebrated perpetual calendar module, advancing day, date, month, moon phase, and a four-digit year display entirely through the crown — accurate until the year 2499. This 43mm stainless steel example is finished with a black dial and stainless steel bracelet, and comes complete with box, manuals, and an extra bracelet with links. (2021 Service by IWC with documentation)
SPECIFICATIONS
Brand: IWC
Model: GST Perpetual Calendar Chronograph
Reference: IW375615
Year: 2003
Case Size: 43mm
Case Material: Stainless Steel
Bezel Material: Stainless Steel, fixed
Dial: Black dial with applied silver baton hour indexes, luminous hands, day/date/month subdials, moon phase, and four-digit year indicator
Dial Color: Black
Bracelet/Strap Material & Color: Stainless Steel Bracelet, Blue Rubber Stap
Clasp: Stainless Steel fold-over deployant clasp
Water Resistance: 120 meters / 400 feet
CONDITION
This watch is in excellent condition. Please review the pictures closely for accuracy. The photos are taken with a high-powered macro lens and may show imperfections not typically seen with the human eye.
INCLUDES
Box
Manuals
IWC Cloth
Extra Bracelet with links
Double Pushers
IWC Replacement Century Slide
2021 IWC Service with documentation
WHY TRUST US
Every watch is authenticated and inspected in-house before listed.
Thousands of transactions backed by 5-star reviews across all platforms.
Transparent condition disclosures on every piece. No surprises after the sale.
Fully insured, overnight FedEx shipping is the standard, not the upgrade.
Every transaction is backed by an industry-leading 2-year mechanical warranty.
OUR SERVICES
Buy: Rolex, AP, Patek, RM, Vacheron, FP Journe, and other luxury brands
Sell: A straightforward evaluation and a fair offer on your watch, no guesswork.
Source: With an extensive network, sourcing takes days — not years on a waitlist.
Trade: We happily accept trades towards your next piece in your collection.
AUTHENTICITY GUARANTEE
Every watch sold by us is thoroughly authenticated and inspected by in-house specialists. We guarantee 100% authenticity and precise condition descriptions on all listings.
OUR DELIVERY
Within 24 hours of cleared payment receipt (excluding Sundays and holidays), we ship fully insured priority overnight FedEx for delivery to your home, business, or local FedEx Office with hold for pickup. ID/Signature is required.
OUR WARRANTY
Our watches are backed by an industry-leading 2-year warranty on the movement of the watch. Please care for your watch with the highest regard, as loss, theft, water damage, and damage caused by negligence or mishandling are not covered.
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