1 year ago
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From JustLuxe contented spouse iW Magazine
A twelvemonth after Grand Seiko introduced analyzable and sporty models to its Evolution 9 Collection, the watchmaker adds its archetypal automatic chronograph to the collection.
The caller Grand Seiko Tentagraph.
The caller model, the Tentagraph, features Grand Seiko’s high-beat (36,000 mph) movement, Caliber 9SA5, which is enriched with 2 barrels and an ultra-efficient Dual Impulse Escapement. The existing GMT chronograph wrong Evolution 9 is powered with Grand Seiko’s Spring Drive exertion (Caliber 9R96).
With these method enhancements, Grand Seiko says the Tentagraph volition clasp its powerfulness reserve successful chronograph operating mode for seventy-two hours, which the watchmaker calls the “longest powerfulness reserve successful the manufacture today.”
Grand Seiko tests its Tentagraph question for 20 days with a strict precision extremity of +5 to -3 seconds per day.
The caller 43.2mm by 15.3mm titanium-cased ticker retains the eye-catching Evolution 9 textured dial finish, present colored blue. The dial’s ample indexes and recessed sub-dials present a speedy work for the wearer.
Grand Seiko besides mildly curves the chronograph seconds downward truthful that the extremity of the manus is arsenic adjacent arsenic imaginable to the dial’s markers, again enhancing legibility.
The chronograph features a moving seconds sub-dial astatine the 3 o’clock position, a 30-minute chronograph antagonistic astatine nine, and a 12-hour chronograph antagonistic astatine six o’clock.
Grand Seiko’s ain proprietary Dual Impulse Escapement efficiently transfers vigor to the free-sprung equilibrium instrumentality indirectly done the pallet fork and besides straight from the flight wheel, enhancing the movement’s efficiency.
In addition, Grand Seiko builds a vertical clutch and a file instrumentality into the movement, some of which heighten accuracy and chronograph control.
On the dial, Grand Seiko places its signature Mt. Iwate pattern, named for the adjacent upland disposable done the windows of the Grand Seiko Studio Shizukuishi.
The Tentagraph’s bezel is made of ceramic.
The Grand Seiko volition marque the Tentagraph disposable astatine the Grand Seiko Boutiques and prime retail partners starting successful June. Price: $13,700.
Specifications: Grand Seiko Evolution 9 Collection Tentagraph
(Ref. SLGC001)
Movement: Caliber 9SC5Driving system: AutomaticFrequency: 36,000 vibrations per hr (10 beats per second)Accuracy (mean regular rate): +5 to -3 seconds per dayPower reserve: 72 hoursChronograph with a 30-minute antagonistic astatine 9 o’clock and a 12-hour antagonistic astatine 6 o’clock
Dial: Blue ‘Mt. Iwate’ signifier finish.
Case: 43.2mm by 15.3mm high-intensity titanium, box-shaped sapphire crystal with anti-reflective coating, ceramic bezel, see-through screw-on lawsuit back, screw-down crown, h2o absorption to 100 meters and magnetic absorption of 4,800 A/m.
Bracelet: Three-fold titanium clasp with propulsion fastener release.
Price: $13,700.
New Masterpiece
At Watches and Wonders 2023 Grand Seiko besides debuted a hand-engraved, manual-wind platinum exemplary successful its Grand Seiko Masterpiece Collection.
Its dial consists of the present acquainted Shinshu achromatic birch pattern, though present Grand Seiko artisans person added a somewhat antithetic code and a much metallic texture.
Inside Grand Seiko fits its Spring Drive Caliber 9R02 (first seen successful 2019). The caliber’s superb eighty-four-hour powerfulness reserve is the effect of a dual outpouring tube successful which some mainsprings are acceptable successful parallel wrong the azygous barrel.
Grand Seiko has acceptable an 18-karat golden plaque connected the 38.5mm watch’s little span engraved with the words “Micro Artist.” However, the proprietor tin alternatively customize it. Price: $79,000 (limited variation of fifty).
Finally, Grand Seiko introduces a Spring Drive jewelry ticker inspired by the Brand’s emblematic achromatic lion. The watch’s lawsuit and dial gleam with 5.62 carats of diamonds and 1.25 carats of bluish sapphires, each acceptable by hand.
The sapphire crystal lawsuit backmost reveals a beautifully finished Caliber 9R01 movement’s one-piece bridge, designed successful the representation of Mt. Fuji. Price: $260,000.
English (US)