Orient Star Classic Semi-Skeleton “Aurora Borealis” Women's Automatic Watch RE-ND0024E 75th Anniversary Limited Edition (30.5 mm, 800 Units, Caliber 55C22, Made in Japan)

The Orient Star Classic Semi-Skeleton RE-ND0024E (RE-ND0024E00B) is a limited edition of 800 pieces worldwide, manufactured entirely in Japan to commemorate the 75th anniversary of Orient Star. Its design is inspired by the Northern Lights, featuring a dial with a green-to-blue gradient that transitions from a luminous center to a darker edge. This finish is complemented by rose gold-tone accents on the signed crown, the logo, the dots next to the Roman numeral hour markers, and the bezel framing the “Open Heart” window at 9 o’clock.

Inside its 30.5-mm-diameter stainless steel case, weighing 68 grams, beats the Japanese-manufactured Orient 55C22 automatic mechanical caliber, which operates at 21,600 vibrations per hour and offers a 40-hour power reserve, manual winding, and a seconds-stop function. It features a semi-skeletonized front case that reveals the moving balance wheel, a transparent case back engraved with the 75th-anniversary commemorative inscription and the limited edition’s individual serial number, a stainless steel bracelet with a push-button clasp, and water resistance to 50 meters (5 ATM).

• 75th Anniversary Limited Edition (800 pieces): Individually numbered commemorative edition on the case back, produced entirely in Japan (Made in Japan).
• “Aurora Borealis” Gradient Dial with Open Heart: Dial featuring a blue-green color transition and an opening at the 9 o’clock position framed in rose gold, allowing a view of the mechanical escapement in action.
• Orient Manufacture Caliber 55C22: Japanese automatic mechanical movement with manual winding, hacking seconds function for precise time setting, and a 40-hour power reserve.
• Classic, Lightweight Proportions (30.5 mm and 68 g): An elegant, feminine size that’s comfortable for both everyday wear and formal occasions, featuring a stainless steel bracelet with a folding clasp and pushers.
• Dual View of the Movement: In addition to the open window on the dial, it features a see-through caseback that reveals the rotor and the finishes of the mechanical caliber.
• Water Resistance of 50 Meters (5 ATM): Safely withstands everyday contact with water, such as splashes, rain, or hand washing.

Technical Specifications:

• Brand and Collection: Orient Star – Classic Semi-Skeleton (75th Anniversary Limited Edition)
• Reference: RE-ND0024E / RE-ND0024E00B
• Special Edition: Limited and numbered to 800 pieces worldwide
• Manufacturing: Made in Japan
• Gender: Women’s
• Movement and Caliber: Japanese automatic mechanical movement manufactured by Orient, Cal. 55C22 (with manual winding and seconds stop)
• Frequency: 21,600 vibrations per hour
• Power Reserve: Approx. 40 hours
• Daily Accuracy: +40 to -30 seconds per day
• Case Diameter: 30.5 mm
• Total Weight: 68 g
• Dial Color: Blue-green gradient (Aurora Borealis) with Roman numerals, Open Heart aperture at 9 o’clock, and rose gold-tone accents
• Case and Bracelet Material: Solid stainless steel with rose gold-tone accents on the crown and dial
• Crystal: Domed crystal with anti-reflective coating
• Case Back: Transparent display case back with a commemorative 75th-anniversary engraving and individual serial number
• Clasp: Butterfly-style folding clasp with safety pushers
• Wrist Size Range: 125 to 170 mm
• Water Resistance: 5 ATM / 50 Meters