Watch Specifications
Maker
GRAND SEIKO
Movement
9R869R86 Instruction Manual
Accuracy range
Average monthly difference ?¨¤15 seconds
Dial
White Color
Luminous
Anti-reflective coating on the inside
Case
Bright titanium, ceramics and sapphire glass
Crown type
Screw back/ Screw lock type crown
Lug width
About 190 mm
Crystal material
Dual curve sapphire
Strap
Silver and Black Color
Water resistance
Water resistant to 10 bar
Dimensions
Case size (length x width x thickness): 52.5 x 46.4 x 16.2 mm
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ABOUT THIS BRAND
Grand Seiko released its first watch in 1960, challenging the perception that the Swiss were the undisputed masters of fine watchmaking. In the nearly 60 years since the first Grand Seiko, the company has become known the world over for producing some of the most elegantly designed timepieces in the world while developing innovative technologies such as Spring Drive. Even while maintaining its high quality standards, it delivers tons of value in its watches, making it popular with collectors at all levels. In 2017, Grand Seiko became its own brand within Seiko?¡¥s expansive watchmaking portfolio.
Product Description
?Grand Seiko Sport Collection SBGC223 spring drive watch
Product specification
- ?Exterior: Bright titanium, ceramics and sapphire glass Bezel: Ceramics
- Glass material: Dual curve sapphire
- Coating: Anti-reflective coating on the inside
- Lumi Bright: Yes (needle / index)
- Case size: Width 46.4mm Length 52.5mm Thickness 16.2mm
- Arm circumference (longest): 190mm
- Nakadome: One-push three-fold method
- Movement
- Movement: 9R869R86 Instruction Manual
- Drive system : Spring drive
- Drive time: Maximum winding time lasts about 72 hours (about 3 days)
- accuracy : Average monthly difference ?¨¤ 15 seconds (equivalent to daily difference ?¨¤ 1 second)
- function
- waterproof : Enhanced water resistance for daily life (10 bar)
- Magnetic resistance: can be
- weight : 158.0 g
- others :
- ? See-through back
- ? Screw back
- ? 24 hour hand (dual time display function)
- ? Screw lock type crown
- ? Stopwatch function (30 minutes total, 12 hours total)
- ? 50 stones
- ? Second hand stop function
- ? Metal allergy resistance
- ? Power reserve display function
- ? With the back lid lion coat of arms
- ? Calendar-linked time difference correction function
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