[TSUYOSA new product] Citizen Collection NJ0231-56L｜Shore×Marine Blue×Reverse rotation prevention bezel, mechanical diver's style with the dynamism of the seaside

As a new product for Citizen Collection TSUYOSA line in March 2026.NJ0231-56Lhas been added.
The theme is "Shore". It has a powerful and sporty look that incorporates the dynamism felt at the seaside into the design, and the bright marine blue dial and 120-click unidirectional rotating bezel are a modern reinterpretation of the classic mechanical style.

Equipped with Cal.8210 automatic winding, this watch allows you to enjoy the mechanical movement of the rotating weight through the see-through back. The 3-row band with a focus on comfort and the high-quality finish on the clasp are other points that make this model perfect. It's water resistant to 10 ATM, so you can use it with confidence even in active situations.

A book that gives off the scent of the sea, whether you look at it or look at it.

When you put it on your arm, the dynamic feeling of marine blue spreads out.

Marine blue x unidirectional rotating bezel—the strength of the seaside.

Precise finish with 120 click bezel and see-through back.

■ Main features

• “Shore” theme:A new product that expresses the dynamism of the seaside with marine blue and sporty design.
• Equipped with Cal.8210:Mechanical automatic winding + manual winding compatible. 21 stones/21,600 vibrations
• 120-click unidirectional rotating bezel:Both time measurement function and fun to operate
• Marine blue dial:Vibrant colors make your presence stand out
• 3-row band x high quality clasp:Band design that fits comfortably on your wrist and has a luxurious feel
• See-through back:Enjoy the rotating weight and mechanical movement of Cal.8210
• Sapphire glass:Resistant to scratches and maintains beautiful visibility
• 10 ATM waterproof:Waterproof performance for peace of mind even in active scenes
• Magnetic resistance type 1:Compatible with magnetism in daily life
• Second hand stop function:Accurate time setting possible
• Approximately 42 hours power reserve:Duration at maximum winding
• Date display:With quick date correction function

■Specs

■ The marine blue worldview of “Shore”

The marine blue that adorns the dial of the NJ0231-56L is a color that is both deep and vivid, like the moment when the waves crashing on the coastline and the color of the sky mix. The whole body embodies the theme of "Shore", and when you hold it in your hands, it is so convincing that you can't help but imagine a seaside scene. It's not just a simple blue, but the texture changes depending on the angle of the light, giving it a new look every time you look at it.

The TSUYOSA series is known for its wide variety of colors, but the new Shore themed items are particularly striking in their balance between active and stylish. This is because the appeal of this model is its versatility, which allows you to match it with any outfit or occasion.

■ 120-click unidirectional rotating bezel “designed to be enjoyed while using”

The bezel of NJ0231-56L uses a 120-click anti-reverse rotation mechanism. With a setting that allows you to measure 3 minutes with a single click, this feature, which originates from divers' watches, can be used as a timekeeper for all kinds of daily activities, such as preparing food or elapsed time in a meeting. The tactile pleasure of feeling a moderate click in your hand every time you operate the bezel is also an experience unique to this model.

The reverse rotation prevention mechanism is also a safety mechanism that prevents the measured time from erroneously increasing, ensuring both operability and reliability.

■ Cal.8210 brings out the “power of mechanical technology”

The equipped Cal.8210 is a movement compatible with both automatic and manual winding, and has a basic configuration of 21 jewels and 21,600 vibrations. It has a mechanical precision range of -20 to +40 seconds per day, and the mainspring automatically winds up with the movement of your arm every day, giving you the satisfaction of owning the watch. Power reserve is approximately 42 hours when fully wound.

The see-through back allows a direct view of the rotating weight (rotor) and movement. You naturally develop the habit of looking at your watch when you take it off - this is the unique way you develop a deep attachment to mechanical watches.

■ 3-row band x high-quality clasp: “Serious about wearing comfort”

The band has a three-row band design that fits comfortably on your wrist, and uses a high-quality clasp plate. The 3-row band has a close fit to the curve of the wrist, and the underlying design philosophy is to minimize discomfort when wearing it. The band can be adjusted up to a maximum of 210mm, making it suitable for a wide range of wrist sizes.

The stainless steel mirror finish and hairline finish combine to provide resistance to stains in active situations, while also giving it a dressy look.

■ Recommended for these people

• Those who were looking for TSUYOSA's new Shore theme
• Those who want a marine blue sporty mechanical watch
• Those who want to enjoy diver's style with a unidirectional rotating bezel
• Those who want to enjoy the movement of the movement with a see-through back
• Those who want to be compatible with active scenes with 10 ATM water resistance
• Those who are considering purchasing a full-fledged mechanical watch as an introduction to mechanical watches.
• Those looking for a unique mechanical gift for a birthday or anniversary
• Those who want to own multiple TSUYOSA existing models in different colors

■ Buyer's comment

When I picked up NJ0231-56L, I was first drawn to the vividness of the marine blue color. The "Shore" theme is perfectly reflected in the color of the dial and feels great on your wrist. The 120-click bezel feels good to rotate, and it becomes fun to use. I always look forward to watching Cal.8210 in action through the see-through back. At 67,100 yen, I think this is one of the most cost-effective pieces in the TSUYOSA series.

— Nanapure Buyer Fujimuro

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■ Related model (TSUYOSA)

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