Seikosha (精工舎 Seikōsha) was a branch of the Japanese company Seiko that produced clocks, watches, shutters, computer printers and other devices. It was the root of the manufacturing companies of the Seiko Group.

 
• 1881 — Kintarō Hattori opens the watch and jewelry shop "K. Hattori" (Hattori Tokeiten in Japanese; currently named Seiko Holdings Corporation) in the Ginza area of Tokyo, Japan.
 
• 1892 — Seikosha is established in Tokyo as the clock manufacturing arm of K. Hattori.
 
• 1917 — K. Hattori becomes a company (K. Hattori & Co., Ltd.).
 
• 1937 — The watch production division of Seikosha is split off as Daini Seikosha Co., Ltd. (第二精工舎 literally The Second Seikosha).
 
• 1942 — Daiwa Kogyo, Ltd. is founded in Suwa, Nagano by Hisao Yamazaki.
 
• 1943 — Daini Seikosha establishes a factory in Suwa for manufacturing watches with Daiwa Kogyo.
 
• 1959 — Daiwa Kogyo and the Suwa Plant of Daini Seikosha merge to form Suwa Seikosha Co., Ltd. (諏訪精工舎)
 
• 1961 — Shinshu Seiki Co., Ltd. is established as a subsidiary of Suwa Seikosha.
 
• 1970 — Seikosha is split off from K. Hattori & Co., Ltd., and Seikosha Co., Ltd. is incorporated.
 
• 1982 — K. Hattori & Co., Ltd. is renamed Hattori Seiko Co., Ltd.
 
• 1982 — Shinshu Seiki is renamed Epson Corporation.
 
• 1983 — Daini Seikosha is renamed Seiko Instruments & Electronics Ltd.
 
• 1985 — Suwa Seikosha and Epson merge to form Seiko Epson Corporation.
 
• 1990 — Hattori Seiko Co., Ltd. is renamed Seiko Corporation.
 
• 1996 — Seikosha Co., Ltd. is divided into Seiko Precision Inc. and Seiko Clock Inc., Website domain Seikosha is registered.
 
• 1997 — Seiko Instruments & Electronics is renamed Seiko Instruments Inc.
 
• 2007 — Seiko Corporation is renamed Seiko Holdings Corporation.
 
• 1 October 2009 — Seiko Instruments becomes a wholly owned subsidiary of Seiko Holdings.

All Antique watches are mechanical. Many repairs will not be cheap, as most likely they will require replacement of non-standard parts (unlike most late model watches).

• Antique watches should not be beaten or dropped - because repairs may be expensive.
• Antique watches are generally NOT waterproof. This is because waterproofing was not in general production until the middle of the 20th century for most watches. Therefore you should protect your antique watch from exposure to moisture.
• If your watch becomes wet it should be dried off quickly. Carefully open all covers and use a hair drier to blow dry the movement, dial, covers, crown. This will reduce the amount of rust.
• If your watch becomes wet with any kind of salt water you should immediately immerse or spray your watch with fresh (no-salt) water to remove all the salt from the works before drying the watch completely. Any salt left in the watch will combine with moisture in the air to rust metal components of the movement, case etc.
• Winding any mechanical watch tight may break the mainspring. If you can avoid it do not wind the watch hard.
• When adjusting the hands of your watch, move them in a clockwise direction only. Counter-clockwise adjustments may damage the movement. It is desirable to adjust the hands of your watch at the same time every day. An automatic or self-winding watch should be worn for at least 8 hours a day. It is a mechanical watch in which the mainspring is wound automatically as a result of natural motion of the wearer's arm, to provide energy to run the watch, making manual winding unnecessary.
• If you must adjust counter-clockwise make it for small adjustments only (i.e. for minutes, NOT hours).
• Be careful and gentle when adjusting the movement speed (faster or slower). Don't make sharp movements, and don't touch other components in the movement especially the pendulum mechanism.
• Every 2-3 years it is necessary to service and oil vintage watches. If the course of your watches is worsening and the accuracy of the reduction in the duration of the clock (autonomy) from one fully wound spring - it need a service.
• IF the watch is dirty - allow the watch to run down, don't wind it again until you have it serviced by a qualified watch repair expert. Dust will absorb and remove important lubricants and cause the movement pieces to wear down.
• To clean the case, dial and crystal you should use a cloth that does NOT leave fibers as these may get caught up in the movement. Check with your Watch repair expert to get an appropriate cloth.
• Keep your antiques watch away from magnets. Strong magnetic fields may affect the accuracy of your watch since some vintage watches were made with iron based components in the movement.
• Most Cases and Covers are fine components and will not handle abuse well. The watch should not be shaken, beaten, or stressed.
• Antique watches generally experience an error of up to 5-7 minutes a day. Any accuracy of +- 5 minutes is very good.
• Mechanical watch is not recommended to use for engage in extreme sports, and expose them to excessive vibration loads. Recoil force, which take on the clock, affect their reliability and precision. No matter how perfect was not anti-shock mechanism, there is always the chance of excessive load that details of the mechanism can not survive.
• Watch with calendar. It is not recommended to adjust, the date between 20.00 and 06.00, because at this time involved a mechanism for automatic adjustment date. Translation pointers calendars manually in this position arrows may damage the mechanism. Date changes should be made, relegating pre-clockwise to lower sector of the dial (for example, to position 6 (18.00) hours).
• Chronograph watches. In most cases, these watches contain the "start/stop" button and "reset" button. It is strongly recommended not to press the "reset" if the chronograph is running. Before you use the "Reset" button need to stop the chronograph by button "start/stop". Using the "reset" when running chronograph can damage the mechanism of most models of watches.

We ship to any country. This item will be shipped to you from Europe (Ukraine) via registered airmail with tracking number and insurance within 7-14 days (except for the weekends and holidays) after the payment is fully received.

Typical Delivery Time

• European Countries: about 7-10 days;
• USA, Japan & other: about 10-14 days.

NOTE: Delivery time may increase because of postal services and/or customs. Please, don't worry and check location of your parcel using provided tracking number. In spite of delays all our previous lots have been successfully delivered!

The item will be packed very carefully!

WARNING!!!

List of countries to which we can send expedited international shipping (UPS express):

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1. You have 3 days to contact us and 5 days to return it from the date it was received. If this item is in your possession more than 3 days, it is considered used and we will not issue you a refund or replacement. There are no exceptions!
2. All returned items must be in the original packaging and you must provide us with the shipping tracking number, specific reason for the return, and your eBay ID.
3. We will refund your full winning bid amount, upon receipt of the item in its original condition and packaging with all components and accessories included, after both Buyer and Seller cancel the transaction from eBay or you may choose to have a replacement.
4. Return shipping is to be paid by the Buyer.

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