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Order within 5 Hours 26 mins with Scheduled Delivery. If you place an order within this time, We will ship on Thursday, Jun 25 2026 This delivery time is calculated by DHL and FedEx. You can check the exact delivery date on checkout page.
USA: Saturday, Jun 27 ~
Australia: Sunday, Jun 28 ~
Asia: Saturday, Jun 27
UAE: Sunday, Jun 28
Order within 5 Hours 26 mins with Scheduled Delivery. If you place an order within this time, We will ship on Thursday, Jun 25 2026 This delivery time is calculated by DHL and FedEx. You can check the exact delivery date on checkout page.
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Description (1,572 characters)
"Series 8" is a mechanical watch brand with a modern design that combines functionality and practicality.
A limited edition model of "831 Mechanical" with the theme of "A beautiful sea sparkling in the sunlight" is now available.
The ice blue dial creates a refreshing and elegant time.
The ice blue dial is inspired by the color of the clear sea and the water surface sparkling with the refraction of light is expressed in a geometric pattern.
This is a special specification unique to the limited edition model.
The back cover is the same see-through back specification as the regular model of "831 Mechanical" which was renewed and released in October 2024.
/ Caliber: 9051 / Static accuracy: Daily difference -10 to +20 seconds
* / Mechanical wristwatch / Automatic winding + manual winding / Vibration frequency: 28800 times / Number of jewels: 24 jewels / Second hand stop function / Date quick correction function / Operating time approximately 42 hours (when fully wound) / /
* Accuracy was measured with the movement in a static state.
Due to the nature of mechanical watches the daily difference range may be exceeded depending on the conditions of use (wear time watch position arm movement winding condition of the mainspring etc.
).
The operating time is an estimate.
/ 10 ATM water resistance / 2 types of anti-magnetic / Luminous (hands + indexes) / See-through back / Band adjustment: split pipe type / Limited to 1800 pieces worldwide
Model Number: NB6051-59L
A limited edition model of "831 Mechanical" with the theme of "A beautiful sea sparkling in the sunlight" is now available.
The ice blue dial creates a refreshing and elegant time.
The ice blue dial is inspired by the color of the clear sea and the water surface sparkling with the refraction of light is expressed in a geometric pattern.
This is a special specification unique to the limited edition model.
The back cover is the same see-through back specification as the regular model of "831 Mechanical" which was renewed and released in October 2024.
/ Caliber: 9051 / Static accuracy: Daily difference -10 to +20 seconds
* / Mechanical wristwatch / Automatic winding + manual winding / Vibration frequency: 28800 times / Number of jewels: 24 jewels / Second hand stop function / Date quick correction function / Operating time approximately 42 hours (when fully wound) / /
* Accuracy was measured with the movement in a static state.
Due to the nature of mechanical watches the daily difference range may be exceeded depending on the conditions of use (wear time watch position arm movement winding condition of the mainspring etc.
).
The operating time is an estimate.
/ 10 ATM water resistance / 2 types of anti-magnetic / Luminous (hands + indexes) / See-through back / Band adjustment: split pipe type / Limited to 1800 pieces worldwide
Model Number: NB6051-59L
