Orient Kamasu “Ginrin” Men’s Automatic Watch RA-AA0825S (41.8 mm, Textured Dial, Sapphire Crystal, 200 m Diver, SUS316L Stainless Steel)

Concept and Storytelling: The Hidden Luster of “Ginrin” (銀鱗)

Orient’s legendary diving lineage is celebrated with the nickname “Ginrin” (銀鱗), a Japanese term composed of the kanji Gin (銀 - silver) and Rin (鱗 - scale). In Japanese culture—renowned both for the breeding of select Koi Ginrin carp and for traditional marine fishing—this concept describes the brilliant, metallic, pearlescent shimmer emitted by fish scales as they break the surface and reflect sunlight. This model translates that visual poetry onto its white satin dial with a shimmering microtexture, which comes to life with every ray of light, contrasting with the distinctive hour markers shaped like the sharp fangs of the Kamasu (the Japanese barracuda). A perfect fusion between the ferocity of the marine predator and the subtle beauty of aquatic sparkles.

Technical Specifications

Feature Technical Detail
Reference RA-AA0825S (Kamasu / Mako III “Ginrin”)
Movement Origin Japan (Japan Movement)
Movement In-house automatic mechanical movement with manual winding and hacking seconds
Caliber Orient F6922 (22 jewels)
Power Reserve Over 40 hours
Accuracy +25 to -15 seconds per day
Case Dimensions 46.8 mm (lug-to-lug) × 41.8 mm (diameter without crown) × 12.8 mm (thickness)
Lug Width 22 mm
Total Weight 169 g
Case Material Solid stainless steel with a screw-down crown and screw-down solid caseback
Front Crystal Flat sapphire crystal with high scratch resistance
Bezel Unidirectional rotating bezel with 120 clicks, dive scale, and luminous marker at 12 o’clock
Dial “Ginrin” finish (iridescent white with a pearlescent texture of silver flakes)
Luminescence High-intensity photoluminescent treatment on hands and faceted hour markers
Bracelet Marine-grade SUS316L stainless steel (wrist size: 140 mm to 200 mm)
Closure Type Triple-fold deployant clasp with double pushers and safety tab
Water Resistance 200 Meters / 20 Bar (suitable for water sports, swimming, and scuba diving)
Magnetic Resistance JIS Class 1 (resistance greater than 4,800 A/m)
Additional Functions Dual Day-Date display (day of the week and numeric date) at 3 o’clock

Key Selling Points

• Exclusive “Ginrin” Dial: Unlike typical black or blue diving dials, the pearlescent white dial offers outstanding brightness and sporty elegance, capturing attention with its play of light and shadow that emulates the silvery scales of Japanese marine life.
• Standard Sapphire Crystal: Maximum durability against daily wear and tear and water sports. Sapphire guarantees absolute optical clarity that will not degrade or scratch due to sand, friction, or accidental impacts.
• SUS316L Marine-Grade Stainless Steel Bracelet: A molybdenum-enriched alloy that effectively resists corrosion caused by saltwater and sweat, minimizing the risk of metal pitting or skin allergies.
• Exceptional Wrist Comfort (46.8 mm Lug-to-Lug): Although its diameter is 41.8 mm, its modest lug-to-lug length ensures it sits compactly and comfortably on any wrist, preventing the typical wobble associated with oversized dive watches.
• JIS Type 1 Anti-Magnetic Protection: The movement is protected against magnetic interference of up to 4,800 A/m generated by smartphones, laptops, and magnetic clasps, ensuring stable timekeeping without deviations.
• Authentic Diver 200 M Performance: Screw-down crown with side protectors and a screw-down case back provide a water resistance rating of 20 bar.