Orient Casual Watch RA-BA0005S10B

Items Description

The Orient Casual Watch RA-BA0005S10B is an automatic mechanical timepiece designed for men who appreciate traditional watchmaking with practical everyday functionality. This model is part of Orient's Multi-Year Calendar collection, distinguished by its silver dial and 43.5 mm stainless steel case paired with a brown leather strap. The watch presents a clean, legible layout that prioritises usability while retaining the character of a hand-assembled Japanese mechanical movement.

 

Orient has built this casual watch around a perpetual calendar complication, which automatically accounts for varying month lengths and leap years without manual adjustment until the year 2100. At its core sits the in-house F6D22 calibre, an automatic movement that powers the hour, minute, second hands alongside date, day, month, and year sub-dials. The brown leather strap and silver case create a versatile profile that transitions comfortably from office attire to weekend wear, making the RA-BA0005S10B a practical choice for daily rotation.

 

Key Advantages of the Orient Casual Watch RA-BA0005S10B - Multi-Year Calendar Automatic Japanese Mechanical Watch with Silver Dial and Brown Leather Strap for Men

 

1. Automatic Perpetual Calendar Complication

The defining feature of the RA-BA0005S10B is its perpetual calendar mechanism, which tracks the date, day, month, and year across varying month lengths. Unlike standard date watches that require manual reset at the end of shorter months, this movement is programmed to display the correct date automatically, including leap years. The year sub-dial at the centre of the dial indicates whether the current year is a leap year or a common year, removing guesswork from daily wear.

 

• Date, day, and month sub-dials: Simultaneous display of all calendar information at a glance.
• Leap-year indicator: Central sub-dial communicates the four-year cycle without complex reading.
• No adjustment until 2100: The perpetual system removes the need for end-of-month corrections.

 

2. In-House F6D22 Mechanical Calibre

Orient manufactures the F6D22 movement internally, reflecting the brand's vertical integration as a Japanese watchmaker. This automatic calibre winds itself through natural wrist motion and additionally supports hand-winding for quick starts. The movement operates at a frequency that delivers reliable timekeeping within the manufacturer's specified tolerance of +25 to -15 seconds per day, which is consistent with non-chronometer mechanical watches in this class. A power reserve exceeding 40 hours ensures the watch continues running overnight when not worn.

 

• Automatic and hand-winding capability: Flexible powering options for daily wear and storage.
• Over 40-hour power reserve: Reliable operation across a weekend of non-wear.
• 21,600 vibrations per hour: A steady beat rate supporting smooth second-hand motion.

 

3. Silver Dial with High Legibility

This variant of the Multi-Year Calendar series opts for a silver dial, which provides a bright, neutral backdrop for the dense calendar information. Applied hour markers and dauphine-style hands contrast clearly against the metallic surface, supporting quick reading in both daylight and artificial lighting. The layout arranges three sub-dials in a balanced configuration around the central year indicator, preserving readability despite the volume of displayed data. For a casual watch with this level of complication, the dial avoids visual clutter through consistent typography and restrained colour accents.

 

• Applied indices with luminous treatment: Maintains visibility in reduced light.
• Centre year sub-dial: Integrates leap-year status without crowding peripheral registers.
• Silver tone matching steel case: Creates a cohesive metallic aesthetic for the dial and case.

 

4. Durable 43.5 mm Steel Case and Brown Leather Strap

The case measures 43.5 mm in diameter across a stainless steel construction, offering a substantial wrist presence suitable for men with medium to larger wrists. The brown leather strap is fitted with a standard pin buckle, providing a classic look that pairs with the casual positioning of the model. Together, the case and strap combination delivers everyday robustness without requiring the formality of a metal bracelet.

 

• Stainless steel case: Corrosion-resistant material for daily exposure to moisture and sweat.
• Brown leather strap: Flexible material that conforms to the wrist over time.
• Push-pull crown: Simple operation for setting time and date.

 

5. Contemporary Casual Styling from Orient

Orient positions the RA-BA0005S10B within its Contemporary collection, which translates to a design language that suits business-casual and smart-casual environments. The Multi-Year Calendar models sit below Orient's higher-end Orient Star line but share the same manufacturing heritage and attention to mechanical fundamentals. For wearers seeking an automatic watch with an unusual useful complication at an accessible price point, this model offers an opportunity to own a functional perpetual calendar without the servicing complexity of higher-tier luxury equivalents.

 

• Versatile case finishing: Polished and brushed surfaces add depth to the profile.
• Museum-style glass: Provides adequate scratch resistance for everyday handling.
• Japanese assembly: Built under Orient's own quality control standards.

 

The Orient Casual Watch RA-BA0005S10B is best suited for men who want a mechanical watch with genuine horological functionality beyond a simple date window, particularly those who prefer not to adjust their watch at the end of shorter months. For daily wear in office and casual settings, this model offers the convenience of an automatic perpetual calendar in a silver-on-brown configuration that pairs readily with most wardrobes. It also suits watch enthusiasts beginning to explore Japanese mechanical movements who value the combination of an in-house calibre and a rare complication at a practical price.

Specifications of Orient Casual Watch RA-BA0005S10B

Brand Name	Orient
Model number	RA-BA0005S10B
Part Number	RA-BA0005S10B
Model Year	2021
Item Shape	Round
Dial window material type	Scratch Resistant Mineral
Clasp	Tang Buckle
Case material	44 mm
Case diameter	43 millimeters
Case Thickness	12 millimeters
Band Material	Leather
Band width	5 millimeters
Band Color	Brown
Dial color	White
Bezel function	Stationary
Calendar	Day Date & Month
Special features	Chronograph
Item weight	1.73 Ounces
Movement	Automatic
Water resistant depth	50 Meters
Display Type	Analog

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Specifications
[Brand Name ]	Orient
[Model number ]	RA-BA0005S10B
[Part Number ]	RA-BA0005S10B
[Model Year ]	2021
[Item Shape ]	Round
[ Dial window material type ]	Scratch Resistant Mineral
[Clasp ]	Tang Buckle
[Case material ]	44 mm
[Case diameter ]	43 millimeters
[Case Thickness ]	12 millimeters
[Band Material ]	Leather
[Band width ]	5 millimeters
[Band Color ]	Brown
[Dial color ]	White
[ Bezel function ]	Stationary
[ Calendar ]	Day Date & Month
[Special features ]	Chronograph
[Item weight ]	1.73 Ounces
[ Movement ]	Automatic
[ Water resistant depth ]	50 Meters
[Display Type ]	Analog

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