Repair Blog — 時計修理

Rolex Datejust: Reference 1500 Caliber 1570

Symptoms: Regular maintenance

Repair contents: Overhaul, spring and gasket replacement, case and bracelet cleaning

Repair cost: 27,500 yen (reference price)

It has been disassembled. This Datejust will be on sale in the store as a consignment item after maintenance.

I am checking the barrel. The 15 series is said to be a great model, but it is old and prone to problems. The barrel needs to be checked for wear on the top and bottom of the grooves...

Omega Seamaster Automatic Cal.571

Symptoms: Poor accuracy (delay) / Automatic winding malfunction

Repair contents: Overhaul of case and light polishing of windshield

Repair cost: Overhaul: 27,500 yen + parts: 16,500 yen Total: 44,000 yen (reference price)

I disassembled it and cleaned it.

This is an Omega Seamaster manufactured in the 1970s. The copper-colored movement is a characteristic of vintage Omegas and is called an old caliber. When it comes to old calibers, new parts are very rare, and even if there are, they are expensive and have...

Rolex Explorer II: Reference 16570 Caliber 3185

Symptoms: Regular maintenance, etc.

Repair contents: Overhaul, spring and gasket replacement, case and bracelet cleaning

Repair cost: 27,500 yen

This is the Rolex Explorer II. It is a relatively popular model among Rolexes.

I disassembled it and cleaned it. The movement is 3185, but the 31 series has few malfunctions, and the most common cause of it stopping is a broken mainspring.

I even assembled the time mechanism. It has a double...

Cartier Tank Manual Winding Cal.ETA2512-1

Symptom: Poor accuracy (unable to measure)

Repair contents: Overhaul and case cleaning

Repair cost: Overhaul: 22,000 yen

I disassembled and cleaned it. The movement is ETA2512-1. It is a machine that was often used in Cartier watches from a while ago. It is a ladies' hand-wound watch.

The accuracy is completely lost, and by observing the movement of the balance wheel, you can see whether there is a problem with the hairspring. In the photo, it looks badly deformed,...

IWC Tonneau Old Inter: Cal.423

Symptoms: Immobility (spring broken)

Repair contents: Overhaul, case cleaning, spring replacement

Repair cost: Overhaul: 27,500 yen + parts: 5,500 yen Total: 33,000 yen

I took it apart and cleaned it. Old Inter's hand-wound model is famous for being 89, but this one is 423. I think it will be a little thinner.

Old Inter springs have a special shape and use a spring with a horn. Old Inter springs are still available at domestic material stores, but they are...