What might be the perfect vintage dress piece, perfectly symmetrical with no date window and the iconic watchmaker's number four roman numeral. In a sleek case design and slim silhouette, this IWC Calatrava R803A from 1968 makes the perfect piece for the classy occasions. Sliding under the cuff of a dress shirt flawlessly when needed, the ultimate must have dress watch in every discerning collector's collection.
In addition, this timepiece comes freshly serviced with all parts laid out by our professional watchmaker for all to see in the images above. Little to no other dealers do this and it’s a testament to full transparency here at Montre D’or. With the C.854 movement in this R803A running excellently as shown in the timegrapher reading above, just like it was when it left the factory nearly half a century ago.
DIAL:
• Original white Roman‑numeral dial in excellent condition (no lume, crisp contrast)
• Sleek original black pencil‑shaped hands
• No lume, Roman numerals only
• Applied “IWC” logo at 12 and “AUTOMATIC” at 6 in script
• No date window
• Domed acrylic crystal, IWC‑signed at center
CASE:
• Classic Calatrava dress‑watch styling with slim bezel and angled short lugs
• 35.0mm diameter (excluding crown) / 41.0mm lug‑to‑lug / 10.5mm thickness
• Professionally polished, retaining all sharp edges
• Original IWC crown at 3 o’clock with little fish logo
CASEBACK:
• Snap‑on caseback, with a mix of brushed and polished surfaces
• Clean condition, professionally polished to perfection
• Comes with plastic protective sticker as shown
MOVEMENT:
• IWC Caliber C.854 – Automatic with Pellaton winding system
• 23 jewels / 44hour power reserve / 19,800bph
• No date variant, giving a sleek balanced look
• Movement freshly serviced and in excellent condition
• Last serviced: April 2026
• Accuracy: +1.0s/day
STRAP:
• Handmade leather strap, colour and design can be changed upon request depending on availability
• Aftermarket Omega stainless steel buckle
AFTERCARE PACKAGE:
• Comes with a black presentation box + silica gel
• Free PolyWatch Acrylic Crystal Polishing kit
• Warranty/Service history card for easy future sale
• 6‑Month warranty (non‑user damage)
• Exclusive Post‑warranty service access
• 7‑day return policy for peace of mind
SPECIFICS:
Maker: IWC (International Watch Co.)
Model: Calatrava
Reference: 803A
Case Material: Stainless steel
Year of Manufacture: 1968
Case Serial Number: 1777651
Movement Serial Number: 1835531
Caliber: IWC C.854
Movement Type: Automatic
Power Reserve: 46 hours
Accuracy: +1.0s/day
Diameter: 35.0mm
Lug to Lug: 41.0mm
Thickness: 10.5mm
Lug Width: 18.0mm
Lume: NIL
Bracelet: Handmade Leather Strap
Box and papers: NIL
Crystal: Domed acrylic, IWC
Crown: IWC signed with fish‑logo
Last Service: April 2026
Free express tracked shipping with signature upon delivery. Delivery within Singapore in 1-2 working days. International shipping may take 2–12 working days depending on destination and will be shipped via FedEx/UPS/Aramex/SingPost
Do note respective custom duties might apply which includes the recent US tariffs and are the buyer’s responsibility.
Do note that for US bound shipments the PolyWatch polishing kit will not be included in order to mitigate customs delay due to new customs requirements
Countries that we do not ship to: Afghanistan, Belarus, the Central African Republic, Chad, Cuba, the Democratic Republic of the Congo, Eritrea, Iran, Iraq, Lebanon, Libya, North Korea, Oman, Pakistan, Russia, Somalia, South Sudan, Syria, Ukraine and the Crimea, Donetsk, and Luhansk regions of Ukraine.
This is a vintage timepiece and water resistance is not guaranteed. Please avoid contact with water or moisture. Store the watch with dry tissue or silica gel to preserve its condition. We are not liable for water damage post-purchase. damage post-purchase.