Skip to product information
1 of 11

NB6050-51E | Series Eight Automatic winding

Regular price
¥148,500
Regular price
Sale price
¥148,500
Tax included. Shipping calculated at checkout.
NB6050-51E | Series Eight Automatic winding
NB6050-51E | Series Eight Automatic winding
NB6050-51E | Series Eight Automatic winding
NB6050-51E | Series Eight Automatic winding
NB6050-51E | Series Eight Automatic winding
NB6050-51E | Series Eight Automatic winding
NB6050-51E | Series Eight Automatic winding
NB6050-51E | Series Eight Automatic winding
NB6050-51E | Series Eight Automatic winding
NB6050-51E | Series Eight Automatic winding




A strong black dial tightens your wrist

The Citizen Series 8 has an urbane and sharp look that will give you confidence when doing business. The simple and cool design is sure to lift your mood every time you peek out from the cuff of your jacket.




Accurate timekeeping that is less susceptible to magnetic influences

It has anti-magnetic performance that is safe even in today's digital environment, making it a reliable ally even in offices where there is a lot of computer work. It's highly visible and practical, so you can enjoy a stylish and smooth day even during busy meetings.


Enjoy the right amount of solidity and sophisticated presence.

The exquisitely sized case fits comfortably on your wrist and supports you during active holidays. The elegant glossy finish exudes a sense of luxury and will elevate your casual outfit to a higher level.


Shining metal band creates a sense of cleanliness

The durable stainless steel strap is smooth to the touch and comfortable to wear all day long. The design emphasizes the linear beauty of the metal, making it ideal for important business negotiations and interviews where you want to give a sincere and intelligent impression to those around you.












Genuine 7 Year Warranty Campaign Free Shipping Citizen Series 8 Mechanical 831 Made in Japan Men's Watch NB6050-51E CITIZEN Series 8 831 Mechanical Analog Black ◆Series 8 is a mechanical watch brand with a modern design that combines functionality and practicality. Series Eight's entry model 831 Mechanical has been renewed and is now available. 831 Mechanical, which features a sporty and stylish design, has been renewed with new specifications. The dial uses the same original pattern as the 880 Mechanical. The finish gives off a high-quality, mature feel. The case back is a see-through back that allows you to enjoy the movement of the movement. The simple design can be used for any occasion, and is also recommended as a gift. Release date: Released in October 2024 Mechanical watch

Product number NB6050-51E
Drive method Automatic winding (9051/with manual winding)
Material: case stainless steel
windshield Sapphire glass (non-reflective coating on both sides)
Dial color black
belt color silver
Size (length x width x thickness) Approximately 48 x 44 x 11mm
Can width Approximately 20mm
belt around arm Maximum approximately 20.5cm
weight Approximately 158g
Specifications Reinforced waterproof for daily life (10 atm)
Average daily difference -10 to +20 seconds
Vibration frequency: 28,800 times/hour
Number of stones: 24 stones
Second hand stop function
Quick date correction function
Driving time approximately 42 hours (maximum winding)
2 types of magnetic resistance
Luminous (hands + index)
Number of stones: 24 stones
See-through back
date display
Made in Japan
accessories Warranty card/dedicated box
*As part of our efforts to address environmental issues, the instruction manual has been digitized.
Please check the included warranty for details.
Guarantee Five-year warranty from the manufacturer (Registration to MY CITIZEN required)


▼Would you like to join us?
→Size adjustment →Gift wrapping
→Name engraving/engraving →New battery replacement before shipping
・Please order together with the product.
・Some products may not be compatible with various services.
Please refer to each service page for details.