Repair Blog

Benrus: Sky Chief: Cal.Vaijoux72

Symptoms: Overhaul for store-bought products

Repair details: Overhaul

Repair cost: 33,000 yen (reference price)

This is a Benrus military watch, Sky Chief. This is an overhaul of a store-bought product. The condition is that the accuracy is unstable, the movement is dirty, and the oil is gone.

I disassembled it and cleaned it. The 72R mark on it stands for Valjoux 72.

This is the lever that operates the chronograph. It has some rust and dirt.

TAG Heuer: Carrera Chronograph: Ref. CV2113 Cal.17

Symptoms: Overhaul for store-bought products

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

Repair cost: 33,000 yen (reference price)

I'm sorry for the delay in updating the blog again. I will update it again soon.

This is a Heuer Carrera chronograph. It is a double-decker chronograph, and the photo shows the time mechanism. The base is an ETA2892, but it has been modified for double-decker use and has the caliber number 2894-2.

I...

Rolex Explorer I: Reference 14270 Caliber 3000

Symptoms: Overhaul for store-bought products

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

Repair cost: 27,500 yen (reference price)

The Explorer I, which we introduced previously, is already listed as a product, so please take a look if you're interested.

This is the same 14270, but it is a model called "single tritium side hole". Single means that the bracelet buckle is single, tritium means that the dial and hands are tritium, and side hole means...

Rolex Explorer I: Reference 14270 Caliber 3000

Symptoms: Overhaul for store-bought products

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

Repair cost: 27,500 yen (reference price)

Disassembled

This is a pre-maintenance for the watch to be on display in the store. It is an Explorer I with caliber 3000. It is a simple 3-hand automatic watch without a calendar.

The time mechanism was assembled

The case and bracelet are in very good condition and the movement is...

Bulova: Cal.Val23 (Valjoux 23)

Symptoms: Poor accuracy

Repair contents: Overhaul, hairspring correction, case cleaning

Repair cost: 33,000 yen

This is an overhaul of a consignment item listed on our online shop. It is a Bulova chronograph that appears to be from the 1960s. The movement is a Valjoux 23, a hand-wound two-counter chronograph. The case is 18k gold and is compact in size.

This is the condition before the overhaul. Although it is not clear from the photo, the balance spring has become deformed and is touching...