Repair Blog

IWC Round Old Inter: Cal.852

Symptoms: Poor accuracy and automatic winding failure

Repair contents: Overhaul, case cleaning, automatic winding part replacement

Repair cost: Overhaul: 27,500 yen + parts: 16,500 yen Total: 44,000 yen

We disassemble, clean and reassemble the watch. I think the most common type of Old Inter is the Cal. 8541, but we also receive requests for the 852 and 853. Although the structure of each movement appears to be the same, some parts may not be compatible.

Assemble the automatic winding...

Rolex Datejust: Reference 16013 Caliber 3035

Symptoms: Poor accuracy (delay) / Short duration

Repair contents: Overhaul, spring and gasket replacement, case and bracelet light polishing

Repair cost: 33,000 yen

After disassembly and cleaning, the watch is reassembled. The 3035 is a typical movement from the 80s. It later evolved into the 3135. Rolex movements are sturdy, but the 3035 and the earlier 15 series tend to show individual differences over time.

An automatic winding unit has been installed.

This...

Rolex Explorer II: Reference 216570: Caliber 3187

Symptoms: Scheduled maintenance

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

Repair cost: 27,500 yen

Disassemble, clean and reassemble.

I have assembled the time mechanism. The base is slightly larger than the forward 3185. The shock spring has been changed from Kifshock to Paraflex, and the hairspring is blue Parachrom. Other than that, the structure is almost the same.

It has a mechanism that moves only the hour hand,...

Rolex Air-King: Reference 14000M: Caliber 3130

Symptoms: Not working/spring broken

Repair contents: Overhaul, spring and gasket replacement, case and bracelet light polishing

Repair cost: 33,000 yen

We will disassemble and clean the watch, replace the spring, and then reassemble it.

I even assembled the time mechanism.

The Cal.31 series has a non-date version (3130) and a date version (3135). The non-date version has a very simple structure.

Attach the dial. The indexes look...

Overhaul of a vintage OMEGA Seamaster 300.

There are many imitations of this model, but I don't think this one is genuine.

Although it is not accurate due to lack of oil and dirt, it is a fairly clean piece.

...It must be expensive. Vintage Speedmaster and Seamus are going for a lot of money.