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Orient Stretto RA-AK0316L30B Watch
The Orient Stretto RA-AK0316L30B is an automatic dress watch with a 41.5 mm stainless steel case, a dark blue dial and two subdials: the day of the week in orange and the day/night indicator in sky blue. It houses the Orient F6B24 calibre, with manual winding, hacking seconds and over 40 hours of power reserve. It is a limited edition of Orient Stretto Limited Edition.
The case is 13 mm thick and 48 mm lug-to-lug. The crystal is sapphire, the case back is exhibition and water resistance is 5 bar (50 metres). The bracelet is stainless steel, 22 mm, with a trifold deployant clasp and push button. The dial is framed by an inner bezel with white indices and a full orange ring. Inside, the luminous hands, the date at 3, the day of the week subdial in orange with white letters in English and the day/night subdial at 5, in sky blue with wave-like texture and a rotating sun and moon, all coexist.
The F6B24 calibre is automatic, with 22 jewels, 21,600 vibrations per hour and an accuracy of +25 to -15 seconds per day. It accepts manual winding through the crown and hacking seconds, two functions that allow you to charge it without moving your wrist and set the time to the second. The exhibition case back reveals the rotor and the mechanism in operation.
The colour contrast of this Stretto is not a decorative detail: it is the reason it is chosen over other dress watches. The dark blue of the dial is broken by the orange ring and the day of the week in orange, and is completed by the sky blue of the day/night subdial. When you look at your wrist throughout the day, the sun and moon of the subdial rotate over that sky blue background with wave-like texture, and that detail is what reminds you that you are wearing a watch with a complication the others don't have. It is not a moon phase: it is a day/night indicator that brings the dial to life.
Automatic F6B24 Calibre 40-Hour Power Reserve Day/Night Indicator Sapphire Limited Edition 41.5 mm 160 g
Why choose this watch?
Dark blue, orange and sky blue: the contrast that defines the edition
The dark blue of the dial is broken by the orange ring and the day of the week in orange, and is completed by the sky blue of the day/night subdial. It is an uncommon contrast in dress watches and the feature that defines this limited edition.
Day/night indicator: not a moon phase
The subdial at 5 shows a sun and a moon that rotate with the movement over a sky blue background with wave-like texture. It does not calculate lunar phases, but it adds movement and colour to the dial without cluttering it.
F6B24 calibre with manual winding and hacking
The F6B24 is Orient's benchmark automatic: 22 jewels, 21,600 vibrations and over 40 hours of power reserve. Manual winding lets you charge it without moving your wrist, and hacking lets you set it to the second.
41.5 mm and 160 g: dress presence without compromise
The 41.5 mm case and steel bracelet give it a presence that doesn't go unnoticed, but the 160 g weight and 13 mm thickness keep it wearable. It is a dress watch with volume, not a discreet watch.
Orient Stretto Limited Edition
It is a limited edition of the Stretto collection, without individual numbering. Anyone looking for a numbered piece won't find it here; anyone looking for a Stretto with a colour contrast not seen in the standard models will.
Technical specifications
Movement and functions
- Type: automatic with manual winding.
- Calibre: Orient F6B24.
- Power reserve: over 40 hours.
- Frequency: 21,600 vibrations per hour.
- Jewels: 22.
- Accuracy: +25 to -15 seconds per day.
- Functions: hours, minutes, seconds, day of the week, date and day/night indicator.
- Hack function: yes.
Dial and indications
- Colour: dark blue.
- Inner bezel: white indices and a full orange ring.
- Day of the week subdial: at 9 o'clock, in orange with white letters in English.
- Day/night subdial: at 5 o'clock, in sky blue with wave-like texture and a rotating sun and moon.
- Date: at 3 o'clock.
- Hands and indices: with luminous material.
Case and dimensions
- Reference: RA-AK0316L30B.
- Brand: Orient.
- Collection: Stretto Limited Edition.
- Material: stainless steel.
- Diameter: 41.5 mm.
- Thickness: 13 mm.
- Lug-to-lug: 48 mm.
- Weight: 160 g.
- Case back: exhibition.
- Water resistance: 5 bar (50 m).
Crystal and bracelet
- Crystal: sapphire.
- Bracelet: stainless steel, 22 mm between lugs.
- Clasp: trifold deployant with push button.
Frequently asked questions
What is the day/night indicator and how does it work?
It is a subdial at 5 that shows a sun and a moon over a sky blue background with wave-like texture. A rotating disc advances with the watch movement to indicate whether it is day or night. It does not calculate lunar phases: it only shows the transition from day to night.
Is it a moon phase?
No. Although some sources call it "Sun & Moon", it is not a moon phase. The subdial does not follow the lunar cycle, but the day/night cycle. It is a visual complication, not an astronomical one.
Can the bracelet be changed for a leather strap?
Yes. The bracelet is steel with standard 22 mm pins, so it can be changed for a leather or other material strap without special tools beyond a strap-changing tool.
Does the F6B24 calibre have manual winding and hacking seconds?
Yes. It accepts manual winding through the crown and hacking seconds. Manual winding allows you to charge it without moving your wrist, and hacking allows you to set it to the second without the seconds hand continuing to move.
What does Orient Stretto Limited Edition mean?
It is a limited edition of the Stretto collection, without individual numbering. Orient releases it as part of its seasonal collection, but does not state the number of pieces or number each watch. It is a more exclusive piece than the standard models, but not a numbered edition.
