ORIENT STAR Open Heart Power Reserve Roman Automatic Watch RE-HH0001S

Items Description

The ORIENT STAR Open Heart Power Reserve Roman Automatic Watch RE-HH0001S is a mechanical dress watch designed for enthusiasts who appreciate visible craftsmanship and traditional watchmaking details. This model belongs to the Classic series of Orient Star, a line known for its refined aesthetics and reliable in-house automatic movements. The open heart aperture on the dial offers a direct view into the balance wheel's oscillation, while the power reserve indicator provides practical information about the mainspring's remaining energy.

 

The watch presents a silver-tone stainless steel case paired with a black dial, creating a contrast that supports legibility alongside elegance. Roman numeral indices and leaf-shaped hands reinforce a classic, formal character suited for business attire and evening wear. Beneath the surface, the automatic movement drives hours, minutes, and a subsidiary seconds hand, with the date window positioned at 3 o'clock. A sapphire crystal protects the dial, and the 100-metre water resistance rating offers confidence for daily exposure to water.

 

Key Advantages of the ORIENT STAR Open Heart Power Reserve Roman Automatic Watch RE-HH0001S

 

1. In-House Automatic Movement with Practical Complications

The mechanical movement inside this Orient Star operates without a battery, powered instead by the natural motion of the wearer's wrist. The open heart feature reveals the balance wheel at work, while the power reserve indicator on the dial tracks the stored energy. These complications add both visual interest and functional utility for those new to automatic watches and seasoned collectors alike.

 

• Open Heart Mechanism: A dial aperture exposes the oscillating balance wheel, offering a window into the movement's operation.
• Power Reserve Indicator: A dedicated scale displays the remaining mainspring charge, assisting in knowing when to wind the watch manually.
• Automatic Winding: The rotor rewinds the mainspring during daily wear, eliminating the need for regular battery changes.
• Date Display: A practical date window at 3 o'clock keeps the wearer oriented through the month.

 

2. Classic Dress Design with Roman Numerals and Leaf Hands

The black dial adopts a formal layout with applied Roman numeral indices, a hallmark of classic dress watch styling. Cathedral or leaf-shaped hands sweep across the surface, finished to catch light while maintaining a restrained profile. This design language aligns with the Orient Star Classic collection, which aims to express the steady, continuous passage of time through traditional aesthetics.

 

• Roman Numeral Indices: Applied markers lend a formal, vintage-inspired character to the dial face.
• Leaf-Shaped Hands: Refined hand profiles contribute to the dress-oriented presentation.
• Black Dial Contrast: The dark backdrop heightens the visibility of silver-tone indices and hands.
• Subsidiary Seconds: A small seconds subdial at 9 o'clock adds balance and traditional watchmaking charm.

 

3. Durable Construction for Daily Reliability

The watch case is crafted from stainless steel, offering resistance to corrosion and everyday wear. A sapphire crystal covers the dial, providing a high level of scratch resistance that maintains clarity over long-term use. With a water resistance rating of 100 metres, the RE-HH0001S can withstand hand washing, rain exposure, and recreational swimming, making it more versatile than a typical dress watch.

 

• Sapphire Crystal: Hardened glass resists scratches and maintains optical clarity.
• Stainless Steel Case: A robust housing protects the movement from physical impact.
• 100-Metre Water Resistance: Suitable for swimming and other water-based activities, not just surface splashes.
• Steel Bracelet: A matching metal bracelet secures the watch and complements the polished case finish.

 

4. Power Reserve Tracking and Manual Winding Support

Beyond automatic winding, the movement can be manually wound via the crown. This capability is particularly useful when the watch has not been worn for a day or two and the mainspring has fully unwound. The power reserve indicator gives a clear readout of the energy level, allowing the wearer to wind it promptly when the scale runs low. This combination of automatic and manual winding provides flexibility in how the watch is maintained.

 

• Hand-Winding Mode: Turning the crown builds mainspring tension when the watch is stationary.
• Energy Awareness: The reserve scale helps avoid unexpected stoppages.
• Consistent Timekeeping: A fully wound mainspring supports stable rate accuracy across the power reserve duration.
• Convenient Restart: For occasional wearers, a quick manual wind prepares the watch for use without prolonged wrist motion.

 

The ORIENT STAR Open Heart Power Reserve Roman Automatic Watch RE-HH0001S is best suited for professionals and watch newcomers who want an accessible entry into mechanical ownership, combined with formal styling that transitions from the office to evening occasions. Its open heart display and power reserve gauge offer daily engagement with horological mechanics, while the durable case and scratch-resistant crystal ensure it performs reliably through years of regular use.

Specifications of ORIENT STAR Open Heart Power Reserve Roman Automatic Watch RE-HH0001S

Model number	RE-HH0001S
Band Color	Black
Dial color	Silver
Display	Analog
Watch Movement Type	Automatic
Strap Type	Two Piece Strap
Water Resistance Depth	30 meters
Sport Type	Walking
Clasp Type	Buckle
Water Resistance Level	Water Resistant
Embellishment Feature	Crystal
Closure Type	Buckle
Style Name	Automatic Watch
Face Style	Skeleton

Prev:  Orient Star Open Heart Blue Gradation Mother of Pearl Sapphire Crystal Watch RE-BY0004A     Next: Orient Star Diver 1964 2nd Limited Edition Men's Automatic Watch RE-AU0601B

Specifications
[Model number ]	RE-HH0001S
[Band Color ]	Black
[Dial color ]	Silver
[Display]	Analog
[Watch Movement Type]	Automatic
[Strap Type]	Two Piece Strap
[Water Resistance Depth]	30 meters
[Sport Type]	Walking
[Clasp Type]	Buckle
[Water Resistance Level]	Water Resistant
[Embellishment Feature]	Crystal
[Closure Type]	Buckle
[Style Name]	Automatic Watch
[Face Style]	Skeleton

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