If the product is defective, please contact us at 到着から3日以内にメールhachisanmaru.official@gmail.comへ写真添付の上.

We will not accept returns or exchanges for customer reasons.

In cases other than initial defects, such as damage after use, the product is not eligible for return or exchange and will be repaired or replaced for a fee.

We use test batteries for our watches.

Returns and exchanges due to dead batteries are not eligible. Please understand this in advance.

Exchange correspondence

Please return the defective product and we will exchange it for a new one.

If we do not have the same product in stock, please wait until it is back in stock or we will issue a refund.

We will pay for the return shipping costs.


Please return the defective item(s) and we will refund the money .

The refund will be made by bank transfer to your bank account.

We will bear the shipping costs for the return shipment.

Repair or replacement for a fee

The defective product must be returned to us and the cost of repair or replacement will be paid by bank transfer.

In this case, the customer will be responsible for the round-trip shipping costs of the product.