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A new design for a new era

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Breathing new life into tradition

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Designed for those who love sport and aim high

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Contemporary elegance for exceptional occasions
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SBGR315G

SBGR315

Heritage Collection

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Features

A 3-day power reserve with lasting quality

The watch has a maximum 3-day power reserve and combines the latest in hairspring technology with an escapement developed through the MEMS technology to achieve high accuracy and stability when worn.
The exterior exudes a strong sense of presence and a tireless luxury befitting the Grand Seiko standard.
The delicacy, strength and beauty of the movement can be enjoyed the exhibition case back.

Specifications

Exterior
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 40.0mm Lug-to-lug 46.6mm Thickness 13.0mm
Band width: 20mm
Clasp type: Three-fold clasp with push button release
The perimeter of Band: 195mm
Movement
Caliber no.: 9S65 Instructions
Movement Type: Automatic with manual winding
Power reserve: Approx. 72 hours(3 days)
Mean daily rate: +5 to -3 seconds per day
  • Mean daily rate is a mean value of daily rates in a condition where the movement before assembly in a case is measured in six positions in a fixed manner under artificially controlled environment for 12 days.
Normal usage accuracy: +10 to -1 seconds per day
Functions
Water resistance: 10 bar
Magnetic resistance: 4,800 A/m
Other details / Features:
  • Screw-down crown
  • 35 jewels

Option strap

Strap

XGL00120

Band width: 20mm
Clasp width: 18mm
Color: Black
Material: Crocodile
  • Available at the Grand Seiko Boutiques and selected Grand Seiko Salons

Strap

XGL00320

Band width: 20mm
Clasp width: 18mm
Color: Brown
Material: Crocodile
  • Available at the Grand Seiko Boutiques and selected Grand Seiko Salons

Strap

XGL00520

Band width: 20mm
Clasp width: 18mm
Color: Navy
Material: Crocodile
  • Available at the Grand Seiko Boutiques and selected Grand Seiko Salons

Strap

XGL00720

Band width: 20mm
Clasp width: 18mm
Color: Light blue
Material: Crocodile
  • Available at the Grand Seiko Boutiques and selected Grand Seiko Salons

Strap

XGL00920

Band width: 20mm
Clasp width: 18mm
Color: Elegant light green
Material: Crocodile
  • Available at the Grand Seiko Boutiques and selected Grand Seiko Salons

Strap

XGL01120

Band width: 20mm
Clasp width: 18mm
Color: Warm orange
Material: Crocodile
  • Available at the Grand Seiko Boutiques and selected Grand Seiko Salons

Strap

XGL01320

Band width: 20mm
Clasp width: 18mm
Color: Light gray
Material: Crocodile
  • Available at the Grand Seiko Boutiques and selected Grand Seiko Salons

Clasp

XGN00118

Clasp width: 18mm
Clasp material: Stainless steel
  • Available at the Grand Seiko Boutiques and selected Grand Seiko Salons
Watch finder

The three movements at the heart of Grand Seiko

9SMechanical

One of the world's foremost mechanical movements, the culmination of high-precision micro-engineering and the attention to detail of Grand Seiko's expert watchmakers.

9RSpring Drive

Spring Drive’s unique movement technology generates power through a mainspring like other mechanical watches but combines this with the Tri-synchro Regulator for extraordinary precision.

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.