Grand Seiko - Spring Drive Chronograph GMT 43.5mm SBGC203
Item Code: 7009
Price: $12,200.00
Minimum : 1
Maximum : 0
The first ever Grand Seiko chronograph, this model is powered by a Grand Seiko’s unique Spring Drive calibre, which combines the motive force of a mainspring with the high precision of a quartz watch.
The Spring Drive mechanism allows the watch to maintain precise timekeeping while also incorporating accurate chronograph capabilities, all with a maximum 72-hour (3-day) power reserve.
Grand Seiko's original glide motion is also featured in the chronograph's blue steel second hand.
The chronograph utilises a Ready/Start button with a half-press shutter, reducing mistakes and allowing for accurate starts. The button has been designed with comfort of use in mind and produces a satisfying click with just the right resistance.
| Exterior | Stainless steel |
| Case back | See-through & Screw case back |
| Glass Material | Dual-curved sapphire crystal |
| Glass Coating | Anti-reflective coating on inner surface |
| Case size | Diameter 43.5mm Lug-to-lug 51.2mm Thickness 16.1mm |
| Band width | 21mm |
| Clasp type | Three-fold clasp with push button release |
| Bracelet Length | 201mm |
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| Caliber no. | 9R86 |
| Movement Type | Spring Drive |
Power reserve
| Approx. 72 hours(3 days) |
| Accuracy | ±15 seconds per month (±1 second per day) |
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| Water resistance | 10 bar |
| Magnetic resistance | 4,800 A/m |
| Weight | 187 g |
| Other details / Features | - Screw-down crown
- 50 jewels
- 24-hour hand (dual time display function)
- Chronograph with 30 minutes & 12 hours
- Power reserve indicator
- Calendar-linked time difference adjustment function
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