The Orient Watch RA-AK0312S30B is a refined addition to the Stretto Sun & Moon range within the Contemporary Day & Night series, bringing a sophisticated mechanical timepiece with an elegant and dynamic dial. Designed for enthusiasts of classic automated watches with additional visual character, this model combines Orient’s reliable in-house engineering with an expressive day-and-night indication that elegantly tracks the passage of time.
Housed in a polished stainless steel 41.5mm case with a softly curved profile, the RA-AK0312S30B features a crisp white sunburst dial that contrasts beautifully with its applied indices and slender hands. The standout feature is the Sun & Moon indicator a rotating sub-dial that artistically portrays daytime and nighttime hours, providing both functionality and refined visual interest. A practical date display and a traditional analogue layout further enhance everyday usability.
Key Features
✔ Elegant sunburst white dial with day-and-night display
✔ Polished stainless steel case (~41.5mm)
✔ Scratch-resistant sapphire crystal
✔ In-house automatic mechanical movement (Calibre F6B24)
✔ Manual winding and hacking seconds support
✔ Day indicator and calendar functionality
✔ Exhibition caseback showcasing movement
✔ Robust stainless steel bracelet with deployment clasp
✔ 50 metres (5 bar) water resistance suitable for daily use and light splashes
✔ Magnetic resistance to JIS Type 1 standard
✔ Approximate 40-hour power reserve
Reliable Mechanical Heart
At its core lies Orient’s automatic Calibre F6B24, a trusted mechanical movement that combines dependable performance with classic watchmaking utility. Supporting both self-winding and manual winding, plus hacking seconds for precise time setting, this calibre delivers a dependable 40-hour power reserve and smoothly drives the hours, minutes, central seconds, day-of-week and date functions. The exhibition caseback invites appreciation of the movement’s construction and finishing, a distinctive hallmark of Orient’s mechanical heritage.
Sophisticated Design for Everyday Wear
The RA-AK0312S30B balances expressive design and everyday practicality. Its 41.5mm case sits confidently on the wrist, while the polished stainless steel bracelet with a secure deployment clasp ensures lasting comfort and durability. The sapphire crystal provides excellent scratch resistance, and the 50 metres water resistance offers reassurance for daily activities such as hand washing or light rain. The day-and-night indicator adds an engaging visual element that elevates the watch beyond ordinary three-hand designs.
Whether worn with smart business attire or everyday casual outfits, the Orient Stretto Sun & Moon RA-AK0312S30B is an appealing choice for those seeking mechanical depth, thoughtful complications and expressive styling in a contemporary automatic watch.
Why Buy From Us
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Official Partner: Buy with absolute confidence. As an authorized Orient dealer, we sell 100% authentic timepieces sourced directly from the brand, ensuring your watch is genuine and untampered with.
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Official 3-Year Warranty: Every Orient and Orient Star watch now comes with a worldwide 3-year official manufacturer warranty (recently upgraded from the previous 1-year standard). This guarantees that your repairs and replacements are fully covered under the brand's premium global policy. Grey market sellers simply cannot compete with this level of official, long-term protection.
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Expert Service & Support: As an authorized partner, our team has direct access to official brand training and resources. We provide knowledgeable advice and high-tier, factory-approved after-sales service to keep your timepiece running flawlessly.









