Product Description
【Operation check and condition】
It is currently operating normally. We have not overhauled it as there are no current issues with its operation.
The case back was rusty and stuck, making it quite difficult to open.
O-ring replaced with compatible part. Crown area lubricated.
To ensure customers can use the product with peace of mind, we have conducted an operation check for over 48 hours.
1-month operation warranty from arrival (Japan domestic warranty, natural failures only)
* Daily rate: -41 seconds to -35 seconds / day (reference value)
* Beat error: 0.3ms
* Amplitude: 256
【Main Specifications】
* Brand: GRAND SEIKO
* Model: 57GS
* Model number (reference): 43999
* Serial number: 5*******
* Manufacturing year: 1965
* Movement: Hand-wound Cal.5722A
* Case size: Width approx. 36mm / Height approx. 43mm / Thickness approx. 10.4mm
* Dial color: Silver
* Material: Stainless steel
* Functions: 3 hands, date, hacking function, Water Resistance (untested)
* Wrist size: Maximum approx. 19cm
* Strap: Replaced with an aftermarket cowhide leather strap made by SEIKO
* Accessories: Aftermarket box
【Exterior Condition】
* Crystal (glass): Replaced with compatible crystal, new
* Case/Bezel: Case has many small scratches
* Case back: Many small scratches, medallion missing (lion medal), engraving is faded and almost invisible.
* Dial/Hands: In very good condition. Minor deterioration, dust, dirt present.
* Strap: New, unused
【Notes】
* Characteristics of vintage items: This is a mechanical watch manufactured in 1965.
Although it is currently operating with very good accuracy, please understand that it is a vintage item based on our display standards (daily rate within 1-2 minutes). We recommend regular maintenance if you plan to use it for a long time.
* Water resistance performance: While it was water-resistant at the time, please treat it as non-waterproof now. Please be very careful about water exposure and humidity.
* Accuracy: The measurements taken by the timegrapher are reference values for a static state. They may vary depending on external factors such as winding status and position differences.
【Shipping】
* Shipping method: Shipped by either Sagawa Express, Japan Post, or Yamato Transport.
You cannot select the shipping carrier. It will include tracking and insurance.