ロレックス ヨットマスター Ref.69623 オーバーホール修理事例|カレンダー不良・ローター芯交換・費用公開

Rolex Yacht-Master Ref.69623 Overhaul repair case | Calendar defect, rotor core replacement, cost disclosure

2026年3月24日

Today,ROLEX Yacht Master(Ref.69623) has been requested for repair.

Basic information

Brand/Model Rolex / Yacht Master
move automatic winding
For now (reference) 69623
caliber 2135
Consultation details Request for overhaul

Symptoms before repair

- Poor lubrication due to lack of oil inside the machine
・Half of the calendar (switching failure)

Repairs performed, costs, and delivery dates

overhaul 35,000 yen (tax included)
calendar adjustment 6,600 yen (tax included)
External rotor core replacement 9,900 yen (tax included)
Complete packing replacement 1,100 yen (tax included)
total repair cost 52,600 yen (tax included)
Repair period Approximately 4 weeks (may be delayed depending on the situation)

Engineer's comment

It was confirmed that there was a lack of oil inside the machine, so we conducted an overhaul that included disassembly, lubrication, and precision adjustment.
We have noticed a problem with the calendar display, so we are making adjustments so that it returns to normal.
Masu

work photos

entire rolex yacht master Overall check before disassembly
Dial up Dial up
moving inside Moved (before repair)
After movement repair Movement (after repair)
rotor core condition rotor core condition
packing packing
Photo of the exterior after repair Photo of the exterior after repair

Comparison table with genuine regular price

model Regular price There is a fee
Yacht Master (YACHT-MASTER) 99,000 yen 35,000 yen
Submariner 99,000 yen 35,000 yen
GMT-MASTER 99,000 yen 35,000 yen
Datejust 93,500 yen 35,000 yen
DAY-DATE 110,000 yen 38,000 yen
Daytona (Daytona) 110,000 yen 55,000 yen
Milgauss (MILGAUSS) 99,000 yen 35,000 yen
Sea-Dweller (SEA-DWELLER) 99,000 yen 38,000 yen

*Prices are estimates at the time of article publication. It may change depending on the condition and parts supply status.

⌚️The appeal of Naple’s watch maintenance service


  • 🔧Repair details can be determined by returning replacement parts.(*Some items cannot be returned)
  • 📋Comes with a watch chart for peace of mind
  • 🌐Easy online application/Nationwide support
  • 🧑🔧 A 1st class watch technician will assist you.
  • 💰Cheaper price than regular stores
  • 💬 Easy inquiry via LINE

⌚️Rolex Overhaul FAQ

❓ Q: Are all parts replaced during overhaul genuine parts?

💡 A. For parts that are not in production or in stock, we may use third-party products that are equivalent to genuine parts and have no problems with accuracy or durability.

❓ Q: Is it okay to bring it in directly for repairs?

🏢 A. We have a physical store in Sakai City, Osaka, so you can bring your own.

❓ Q: Is there a warranty after overhaul?

🛡️ A. We offer a 6-month warranty (extended for 1 year by posting a review).

❓ Q: Is it possible to cancel after the estimate?

🚚 A. There is no cancellation fee. Only shipping charges will be paid by cash on delivery.

Click here for overhaul/repair inquiries

🔹 Consultation before repair on LINE (photos and videos OK)

LINE inquiry

Click here to request Rolex overhaul/polishing

We are currently accepting requests from 47 prefectures nationwide.