SUMI-SHIO (墨潮)

What does it mean?

This name is composed of two Japanese kanji:

1. SUMI (墨): This is the traditional name for Japanese calligraphy ink. Sumi is not a flat black; it is an ink that, when mixed with water, creates infinite gradients and shades of gray, full of texture and depth. It is the soul of monochromatic Sumi-e painting.
2. SHIO (潮): It means “tide” or “current.” It evokes the constant movement, depth, and power of the ocean.

The Story of SUMI-SHIO

Imagine the deepest, darkest tide of the ocean, where sunlight rarely penetrates. The water isn’t simply black; it’s a dense, textured current that flows in a mysterious gradient. This watch captures that liquid abyss.

Its dial isn’t a flat color—it is Sumi-Shio, the Ink Tide.

• The Gradient (Sumi Ink): Like a calligrapher’s brush that begins with the most concentrated ink and fades gently, the dial of this Tsuyosa transitions from a dark, textured gray at the center to absolute black at the edge. It is a tribute to the Japanese art of subtle gradation (bokashi gradation).
• The Grainy Texture (Water and Pigment): The texture of the dial evokes the dispersion of sumi ink pigments on rice paper, or the gravel of a Zen garden underwater.
• Golden Accents (Penetrating Light): The golden hands and hour markers are not mere adornments. They are the last and most precious rays of sunlight that manage to penetrate the tide of ink, offering flashes of clarity and guidance in the midst of the abyss. They are the jewel you carry within you.
• The Black Bezel (The Frontier of Mystery): The black rotating bezel frames this tide, representing the boundary between the known world and the mystery of the depths, always protected by the golden markings of its diver’s function.

Wearing a SUMI-SHIO isn’t just about wearing a watch with a gray dial; it’s about wearing a Japanese work of art that tells the story of depth, texture, and light that always finds a way.

JDM Limited Edition: An exclusive model produced in a limited run for the Japanese domestic market (Japanese Domestic Market), ideal for collectors.

• Sapphire Crystal: Maximum scratch resistance and impeccable optical clarity for daily wear without wear and tear.
• Automatic Caliber 8210: Highly reliable Japanese mechanical movement with a date complication at 3 o’clock and manual winding.
• Water Resistance 100m (10 ATM): Suitable for swimming and water sports thanks to its robust construction.
• Iconic Tsuyosa Design: 40 mm stainless steel case with an integrated bracelet and an elegant gray dial with a understated texture.

Product Description

The Citizen Tsuyosa NJ0238-57E JDM Limited Edition takes the acclaimed Tsuyosa line to a new level of exclusivity. Originally designed for the Japanese domestic market and produced in limited quantities, this model blends the coveted retro-sporty aesthetic of an integrated bracelet with timeless elegance.

Its 40 mm stainless steel case offers ideal proportions for any wrist. The high-contrast gray dial is protected by scratch-resistant sapphire crystal, ensuring durability and superior readability thanks to its luminescent hands and hour markers.

Inside beats the reliable automatic Caliber 8210 movement, equipped with anti-magnetic properties to protect the watch’s accuracy from everyday digital interference. With a water resistance of 100 meters, it is the ultimate timepiece for those seeking a versatile, exclusive automatic watch with a true Japanese watchmaking heritage.

Technical Specifications

Detailed Specifications

Brand / Collection Citizen Collection (Tsuyosa Line)

Model / Reference NJ0238-57E (JDM Limited Edition)

Movement Mechanical automatic (Citizen Caliber 8210)

Case Stainless steel (40 mm diameter / 12.5 mm thickness)

Crystal Ultra-resistant synthetic sapphire

Dial Gray with luminescent accents

Bracelet Stainless steel with folding clasp

Water Resistance 100 meters / 10 Bar

Special Features Limited Edition, JDM, Anti-magnetic, Date, Neobrite Hands/Indexes