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The Gyromatic line was introduced by Girard‑Perregaux in the mid‑1950s as a breakthrough in efficient, low‑friction automatic winding. By the 1960s, it had become one of GP’s most successful platforms, known for its slim profile, smooth winding system, and excellent reliability.
During this era, GP expanded the line to include Day‑Date models, offering practical everyday functionality with the refinement of Swiss finishing. These watches were designed for buyers who wanted elegance, accuracy, and durability in a single package.
Today, Gyromatic Day‑Date models are appreciated for their value, reliability, and classic mid‑century design. Clean, serviced examples—especially with original dials—are becoming increasingly difficult to find, making them excellent pieces for both new and seasoned collectors.
This is a beauty. It is very rare to find a watch this old in this condition. Definitely a great watch for first-time collectors or watch lovers. Please look at all the pictures, as they are part of the description.
The watch is working and was serviced by the last owner. This is a highly collectible watch. Very few are left with this rare movement. Sure, to increase in value over time, and be a great addition to your collection.
It includes central seconds and a convenient Day‑Date display. The date has a hacked set by changing the time between 20 and 24 hours. The day changes every 24 hours. A watch that merges elegance and reliability is a watch that will never disappoint.
The condition of the watch is the same as it appears in the photos. The watch is working and is part of our new Certified Pre-Owned (CPO) Program. Contact me if you have any questions first.
| SPECIFICATION | |
| Case | Stainless Steel Case and Case Back. |
| Case Size | 34,20 mm without the crown and 38,00 Lug to Lug |
| Case Back | Stainless steel cover signed with Screw Back. Please note case back in most cases is not fully tighten. |
| Crown | UnSigned |
| Crystal | Acrylic Some Scratches, |
| Bezel: | None. |
| Dial: | Silver matrix dial, with lines (spotting) going down Stick hands with black inserts & indices dial, Swiss made Mark, with the seconds Hand, with day & date at 3 O'clock. Shows light patina Please see picture for more detail. |
| Complication | Seconds, Date, Day. |
| Movement | Self-Winding Automatic GP 17 Jewels |
| Movement Notes | It includes central seconds and a convenient Day-Date display. The date has a quick-set by changing time between 20 and 24 hs. The day changes every 24 hours. A watch that merges elegance and reliability is a watch that will never disappoint.Just inspected and in great shape. Fully Serviced and Overhauled by last owner. Come with a Service Warranty! Please see pictures and as some old movements don't have a very clear marking. Movement is running. Keeps great time see below time testing. |
| Strap | New Tapered Strap with Quick Release Lug Size: 19mm |
| Box | Come with Beautiful Vintage Style Box. Or Experts Watches Pouch |
| Reference # | 9135 FA on the side of the watch |
| Made in | Switzerland |
| Water Resistance | No. Please pressure test before water use. |
| Service Level | 2 (Please see Tab below for details) |
| Timing Test ** | 2 s/day In-House Time Test Results (See Service Level Tab)** |
| Certified Pre-Owned | Passed 25-point inspection. Please see tab below for details. |
| Warranty | NA (Please see Tab below for details) |
| Notes: | All watch functions tested and operable. Circa 1960's or 1970's |
Wire Transfer Customer
Wire Transfer Customer
Wire Transfer Customer
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