Grand Seiko SBGR299

Features

A 3-day power reserve and refined design and functions in a larger case

This model retains the Grand Seiko design, with an increased case size giving the watch a greater sense of presence.
Equipped with the 9R61 caliber, the watch will run continuously for three days when fully wound, and utilizes the latest hairspring and the MEMS manufacturing processes in its escapement to deliver higher stability of accuracy when in use.
Greater stability from the new slim-form watch case back provides an outstanding sense of security for the wearer.

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 42.0mm

Lug-to-lug 47.9mm

Thickness 13.1mm

Band width: 21mm

Clasp type: Three-fold clasp with push button release

The perimeter of Band: 205mm

Movement

Caliber no.: 9S61 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.

Functions

Water resistance: 10 bar

Magnetic resistance: 4,800 A/m

Other details / Features:

• Screw-down crown
• 31 jewels