For Calibre 9R01, however, Grand Seiko developed a unique system using a single, one-piece bridge. This system delivers enhanced durability and is, we believe, a unique design. The thickness of this one-piece bridge is some three times greater than any other Spring Drive caliber. Made possible by very high precision engineering, it provides a Thanks Gents! In respect of the service interval (particularly Hi Beat) what piqued my concern was the statement from the Instruction Sheet (downloadable from the Grand Seiko site) in the 'Notes on overhaul' section where it states the 'overhaul' be "2-3 years" and that "the first overhaul after purchase of your watch is particularly important for preserving the long-time use of your watch". A Spring Drive model with a high-intensity titanium case that achieves a true lightweight feel. The SBGA211 is powered by Spring Drive, Grand Seiko’s unique caliber, which combines the motive force of a mainspring found with the high precision of a quartz watch. The case and bracelet are made with high-intensity titanium, providing a scratch The second hand glide of the spring drive is magic, even compared to the hi-beat. Some people really dislike the power reserve on the front of (most) spring drives: I agree when it comes to the printed ones, but actually find the recessed scalloped power reserves gorgeous on most dials. On the other hand, if you appreciate looking at a pretty Four Key features of Spring Drive. High accuracy. The Tri-synchro regulator controls and releases the mechanical, electrical and electro-magnetic energy generated by the mainspring. It replaces the escapement and, with its one-way motion, it is inherently more stable, durable and precise. Spring Drive is accurate to 1 second per day. The service costs for a Grand Seiko watch with the Spring Drive 9R65 movement is €430. Grand Seiko strives to have this done in three weeks, excluding the duration of shipping the watch to and from Japan. That said, in some countries, Grand Seiko is able to do servicing on watches with these movements as well. Ask your local Grand Seiko Support. Instructions. Grand Seiko will gradually discontinue attaching paper instruction manuals to its products as part of a paperless operation starting April 1, 2023. Check the case back of your watch to find the caliber code inscribed on it, and read the instructions pertaining to your watch caliber code. It is a 4-digit number to the left If you bought a spring drive today you would have to service it in 10 years if you go on their recommended service interval. You’re right that some of the most recent spring drive movements with the 5 day reserve need to be sent back to Japan for servicing. Most other GS models are serviced in New Jersey. Spring Drive is a unique movement that delivers one-second-a-day precision, using just the power of a mainspring. 9F Quartz. The ultimate quartz movement. Caliber 9F incorporates several unique technologies that raise the performance of quartz to the high standards of Grand Seiko. Grand Seiko official site. A quartz movement crafted by hand. While the majority of the world's quartz movements are products of automatic assembly, Grand Seiko's 9F quartz caliber is assembled entirely by hand. Two expert craftsmen combine their individual talents to ensure the high quality standard of each Grand Seiko 9F movement, with one assembling the date indicator Further to that is the recommended 2-3 year service intervals, which basically means that servicing a GS would cost around 30% or ~$2000 (AUD) of it's price in the first 5 years. You're assuming that 2-3 year interval is for a full complete service, which is not really the case. 004. Senior member. Posts: 1236. Joined: Wed Nov 14, 2012 11:31 am. Re: spring drive owners - your service interval? by 004 » Tue Dec 11, 2012 7:23 am. I would imagine it be best to service every 3 to 5 years , the Spring drive Seiko's must be serviced in Japan . Give Thong Sia a call to confirm costings , time required etc . david.tan. 9R Spring Drive. Spring Drive ist eine außergewöhnliche Uhrentechnologie. Sie erzeugt Energie wie jede andere mechanische Luxusuhr, kombiniert diese jedoch mit einem elektronischen Regulationssystem. Dadurch wird eine Genauigkeit erzielt, die keine mechanische Uhr erreichen kann. Die Entwicklung von Spring Drive war möglich, weil Grand Seiko Man - had my mind set on a GS but after reading through the forum, am not sure anymore. $1000 per service and 6-12 weeks of wait time seems excessive by any standard. The comments in contrast to Rolex are illuminating. Love the GS but am not sure about the sub-par US service and the above-par costs. Not cool. SBGE287. Case reference: 9R66-0BM0. Type: Spring Drive Automatic. Movement: 9R66. Case material: Stainless Steel. Year: 2022. Grand Seiko Spring Drive Automatic caliber 9R66, introduced in 2006. Technical information and list of all the Grand Seiko watches with the 9R66 movement. .
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