Orient Star


$ 597

ORIENT STAR Mechanical Sports Black Open Heart Dial Black Leather Strap Automatic Watch

  • Official Warranty Card
  • Automatic Mechanical Movement Caliber F6N42
  • Silver Stainless Steel PVD Coating Case
  • Black Leather Strap
  • Black with Open Heart Dial at 9 o’clock Position
  • Sapphire Crystal Glass with Anti-reflective Coating
  • Unidirectional Rotating Black Stainless Steel PVD Coating Bezel
  • 22 jewels
  • See-through Screw Case Back
  • Screwed-down Crown at 3 o’clock Position
  • Buckle Clasp
  • Power Reserve Indicator Display at 12 o’clock Position
  • 50 Hours Power Reserve
  • 200 m Water Resistance Suitable for Air Diving
  • Size : 43.2 mm x 13.7 mm

Watch Size Guide

Wrist circumferenceSuitable case sizes
5.5 in / 14 cm34 mm36 mm38 mm
6.0 in / 15.2 cm36 mm38 mm40 mm
6.5 in / 16.5 cm38 mm40 mm42 mm
7.0 in / 17.8 cm40 mm42 mm44 mm
7.5 in / 19 cm42 mm44 mm46 mm
8.0 in / 20.3 cm44 mm46 mm48 mm
Watch Size Guide


ORIENT STAR RE-AT0105B Specifications :

Automatic200 m water resistance
Driving systemAutomatic hand winding hacking movement
Caliber numberF6N42
Case materialStainless steel with Physical Vapor Deposition (PVD) coating
Case backTransparent
Case colorSilver tone
Band typeStrap
Band materialLeather
Band colorBlack
Band width21 mm
ClaspBuckle info tooltip
Dial colorBlack with open heart at 9 o’clock position
Glass materialSapphire crystal
HandsBlack, grey and rose gold tone (hour, minute) with grey and rose gold tone second hand
Dial markersSilver tone baton indexes with arabic numerals at 3,6 and 12 o’clock position
Second markersMinutes markers around the outer rim
LuminousHands and hour markers
BezelUnidirectional rotating black colored stainless steel PVD coating with arabic numerals per 10 minutes scale
CrownScrewed-down at 3 o’clock position
FunctionHour, minute, second, power reserve indicator
Drive durationPower reserve approximately 50 hours
Vibration21,600 vibrations / hour
Water resistance20 bar water resistance (200 meters / 660 feet)
SizeDiameter : 43.2 mm x Thickness : 13.7 mm
Additional information

Additional information

Weight1 kg
Dimensions5 × 5 × 2 cm
Diameter Ring

Large : 4.1 – 4.6 cm

Display Type



Luminous, Open Heart Dial, Power Reserve Indicator, Second Hand Halt Mechanism



Orient Watch is a Japanese watch brand owned by Seiko Epson. Established as an independent company in 1950, it became a functional subsidiary of Epson in 2009 before being fully integrated into the company in 2017.

Until it was absorbed into Epson, the Orient Watch Company had primarily marketed mechanical watches (self-winding & hand-winding), but also produced quartz, light-powered (solar) and radio-controlled models. Outside of the main business, the company produced some moving parts and electronic components that were then assembled into Seiko Epson’s electronic devices.

Currently, Akita Epson Corporation (formally Akita Orient Precision Instruments Co., Ltd.), a group company of Epson, manufactures all of the Orient movements in-house in Yuzawa, Akita, Japan.



The origin of Orient Watch Company dates back to 1901 when Shogoro Yoshida opened a wholesale shop called “Yoshida Watch Shop” in Ueno, Taito, Tokyo, Japan. Yoshida Watch Shop was successful, selling imported pocketwatches. In 1912, Yoshida expanded his business and began producing gold wristwatch cases. In 1920, Toyo Tokei Manufacturing was established, originally producing table clocks and gauges. It was not until 1934 that Toyo Tokei Manufacturing started the production of wristwatches. In 1936, the Hino factory was built in Hino, Tokyo, Japan. For several years, Toyo Tokei Manufacturing boomed at the Hino factory. However, affected by the poor Japanese economy after World War II, the company shut down in 1949.

After Toyo Tokei Manufacturing was shut down, Yoshida’s wristwatch manufacturing company was reborn in 1950, founded under the name Tama Keiki Company. Tama Keiki Co. continued manufacturing watches at the Hino factory. In 1951, Tama Keiki Co. changed its name to Orient Watch Company, Limited (オリエント時計株式会社, Oriento Tokei Kabushikigaisha), and in the same year the first Orient Star went on sale. Orient Watch was able to expand their visibility overseas after a memorandum trade agreement with China in 1955. The Royal Orient went on sale in 1960. Other important watches in the company’s history include the “Dynamic” in 1956, “Grand Prix 100” in 1964, “Fineness” (the world’s thinnest automatic wristwatch with day and date calendar function for its time) in 1967, and the “Tenbeat” in 1970.

In 2003, the Orient Technical Center (OTC) was established and the assembly of luxury watches began in Ugo, Ogachi, Akita, Japan. In 2004, the high-precision caliber 88700 movement went on sale via the Royal Orient watch line. In 2005, Orient Star Retro-Future collection was launched. In 2010, Orient Watch Co. celebrated its 60th anniversary with a limited edition model.

In 2001 Seiko Epson (one of three core companies of the Seiko Group) became the majority shareholder (52%) of the company. Orient Watch became a wholly owned subsidiary of Epson in 2009. After transferring its business to Epson, the company exists as a dormant company now. Epson Sales Japan Corporation markets the Orient watches, while Akita Epson Corporation manufactures them.



ORIENT STAR RE-AT0105B Features :

Our premier ORIENT STAR is a proposal for an original sports collection that carries traditional techniques (mechanical semi skeletons) and sports tastes with new interpretation. Sporty characteristics are expressed by Luminous light(high intensity luminous) for all indexes including three Arabic index and changing the finish between dial center and dial outer part .
Sapphire crystal of anti-reflection coating and Arabic index delivers increased visibility. The timepiece supports a continuous running time of 50 hours and water resistance of 200 meters.

  • 22 jewels
  • See-through case back
  • Screw case back
  • Power reserve indicator display


Click here to download Service manual for Orient Star RE-AT0105B.

Service Center

Service Center

Orient Watch Centre Indonesia

Gedung Metro Pasar Baru, Lt. Dasar
Jl. H Samanhudi No. 115,
Jakarta Pusat 10710
Tel: +62-21-3808479
Email: info@orientindonesia.com

Water Resistance

Water Resistance

Water Resistance Guideline

Water Resistance Degree

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