Orient Star M42 Diver 1964 RK-AU0503N Automatic Blue-Black Dial
Orient Star M42 Diver 1964 RK-AU0503N Automatic Blue-Black Dial
The Orient Star RK-AU0503N is an M42 Diver 1964 1st Edition F6 Date 200m mechanical diver, created for Orient Star’s 75th Anniversary. Inspired by the 1964 Olympia Calendar Diver, this limited-edition Orient automatic watch combines vintage design details with modern diver specifications.
The watch is powered by Orient’s in-house F6N47 automatic movement, with manual winding, hacking seconds, a 50-hour power reserve, date display, and power-reserve indicator. Its blue-grey-to-black gradient dial features luminous hands and applied indices, protected by a dual-curved sapphire crystal with anti-reflective coating. The SUS316L stainless-steel case has a screw-down crown and unidirectional rotating bezel.
A five-link stainless-steel bracelet is fitted with a push-button folding clasp and diver’s extension. With 200-meter water resistance and ISO 6425 compliance, the RK-AU0503N is a substantial modern interpretation of Orient’s historic 1964 diver design.
Key Features
Orient Star M42 Diver 1964 1st Edition
In-house F6N47 automatic movement with manual winding
50-hour power reserve with power-reserve indicator
Blue-grey-to-black gradient dial with luminous hands and indices
Dual-curved sapphire crystal with anti-reflective coating
SUS316L stainless-steel case with unidirectional rotating bezel
200 m water resistance with ISO 6425 compliance
Five-link stainless-steel bracelet with diver’s extension
Specifications
Specification | Details |
Brand | Orient Star |
Model / Reference | RK-AU0503N |
Collection / Series | M42 Diver 1964 1st Edition F6 Date 200m |
Movement | F6N47 |
Caliber | F6N47 |
Movement Type | Automatic mechanical with manual winding |
Case Material | SUS316L stainless steel |
Case Diameter | 41.0 mm |
Case Thickness | 14.5 mm |
Lug Width | 20 mm |
Crystal | Dual-curved sapphire crystal with anti-reflective coating |
Dial Color | Blue-grey to black gradient |
Dial Details | Textured finish, luminous hands, applied luminous indices, date display, power-reserve indicator |
Caseback | Solid screw-down caseback with 75th Anniversary engraving and individual serial number |
Bezel | Unidirectional rotating stainless-steel bezel |
Bracelet / Strap | Five-link stainless-steel bracelet |
Clasp / Buckle | Push-button folding clasp with diver’s extension |
Water Resistance | 200 m / 20 bar; ISO 6425 compliant |
Functions | Hours, minutes, seconds, date, power-reserve indicator, hacking seconds |
Power Reserve | 50 hours or more |
Country of Manufacture | Japan |
Other | 75th Anniversary limited edition of 700 pieces worldwide, including 400 for Japan |
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