Orient Star Mechanical Moon Phase Ref. RE-AY0006A (also known as RK-AY0006A in the Japanese domestic market)
Complications Watch / Luxury Dress Watch · Orient Star, the luxury division of Orient Watch (owned by Seiko Epson Corporation). Known as a 'Premium' tier brand that offers high-end finishing at accessible luxury price points.
Period: Modern Luxury (2020-present). It follows the Neo-Classical design language characterized by the use of open-heart windows combined with traditional complications like moon phases and power reserve indicators.
Type
Complications Watch / Luxury Dress Watch
Brand
Orient Star, the luxury division of Orient Watch (owned by Seiko Epson Corporation). Known as a 'Premium' tier brand that offers high-end finishing at accessible luxury price points.
Movement
Automatic, In-house Caliber F7M62. Features 22 jewels, 21,600 bph frequency, and a 50-hour power reserve. Includes hand-winding and hacking (stop-seconds) functions.
Dimensions
Case diameter: 41mm; Thickness: 13.8mm; Lug-to-lug: 49mm; Lug width: 20mm. It wears slightly large for a dress watch due to the thickness required for the moon phase module.
Description
The Orient Star Mechanical Moon Phase is the flagship of the brand's Contemporary Collection. It combines technical sophistication with artisanal dial work, specifically utilizing Mother of Pearl to mimic the shifting colors of the night sky. The 'Open Heart' design allows a glimpse into the escapement, providing a sense of 'living' machinery on the wrist. It is a robust yet elegant timepiece that punches far above its weight class in terms of finishing and complexity.
Key Features
Mother of Pearl dial, Open-heart balance wheel window, 50-hour power reserve scale, SAR coating on sapphire, and the use of the high-grade F7 series movement.
Dial Description
Deep blue Mother of Pearl (MOP) dial with a sunburst effect. Features an 'Open Heart' window at 9 o'clock, a Power Reserve indicator at 12 o'clock, and a Moon Phase subdial integrated with a date pointer at 6 o'clock. Applied baton indices and leaf-shaped hands with lume.
Case Material
316L Stainless Steel with 'Sallaz' (Zaratsu-style) polishing on the bezel and lugs for a mirror-like finish, contrasted with brushed surfaces.
Crystal Type
Dual-curved Sapphire Crystal with Orient’s 'SAR' (Super Anti-Reflective) coating, which significantly reduces reflections and improves clarity.
Bezel Details
Fixed, highly polished stainless steel bezel with a smooth, sloping profile designed to highlight the dial's depth.
Crown & Pushers
Push-pull crown with a signed Orient Star 'S' logo. No pushers; the moon phase and date are typically adjusted via the crown or a recessed pusher on the side of the case.
Bracelet or Strap
Navy blue genuine alligator leather strap with a matching blue stitch and a stainless steel push-button deployment (deployant) clasp.
Caseback Details
Screw-down exhibition/display caseback featuring a sapphire crystal window. The movement is decorated with perlage and Tokyo stripes (Côtes de Genève) on the rotor.
Movement Type
Automatic, In-house Caliber F7M62. Features 22 jewels, 21,600 bph frequency, and a 50-hour power reserve. Includes hand-winding and hacking (stop-seconds) functions.
Water Resistance
50 meters (5 bar). Suitable for light splashes and rain; not recommended for swimming or diving due to the leather strap and lack of a screw-down crown.
Origin & Provenance
Japan. Entirely produced in-house, including the movement, case, and assembly, at Orient's facilities in the Akita Prefecture.
Age Estimate
Circa 2020-2023. This specific reference is part of the contemporary collection launched to celebrate the 70th anniversary of the brand.
Cultural Significance
Represents the pinnacle of Japanese 'Accessible Luxury.' It challenges the dominance of Swiss entry-level luxury brands by offering complications and finishing (like Sallaz polishing) usually reserved for much higher price brackets.
Condition Notes
Based on the presentation box and accompanying 'Partner Shop' 3-year warranty card, the watch appears to be in Excellent to Mint condition. No visible scratches on the bezel or crystal in the provided imagery.
Value Estimate
MSRP approximately $1,800 - $2,200 USD. Secondary market value typically ranges from $1,100 to $1,500 depending on condition and presence of box/papers.
Care & Maintenance
Service every 3-5 years to maintain the mechanical movement. Avoid strong magnetic fields. The leather strap should be kept dry to prevent degradation. Check water resistance gaskets if used near water.
Similar Watches
Frederique Constant Heart Beat Moonphase (Swiss alternative), Seiko Presage 'Skydiving' Cocktail Time (Lower price, no moonphase), or Oris Artelier Complication.
Interesting Facts
Orient Star was founded in 1951 with the aim of creating a 'shining star' of a watch. This model is unique because it is one of the very few watches in the world to combine a semi-skeleton (open heart) window with a moon phase complication on a Mother of Pearl dial.