Grand Seiko SBGW311

Features

Tsuyu is the rainy season that begins in early summer in Japan. In Iwate, lush green can be seen surrounding the grand Mt. Iwate in the distance, with the rain bringing life to rice fields, forests, and other natural beauty in abundance in the region. This serves as the source of inspiration for the U.S. Exclusive SBGW311. The 44GS, released in 1967, was the first to define the Grand Seiko Style and has evolved into a modern interpretation with contemporary practicality. The SBGW311 embodies Grand Seiko Style in a stylish mid-size case at 36.5mm diameter with manually wound mechanical Caliber 9S64, providing the watch a 72-hour power reserve despite its compact size.

Specifications

Exterior

Exterior: Stainless steel

Case back: Screw case back

Glass Material: Box shaped sapphire crystal

Glass Coating: Anti-reflective coating on inner surface

Case size: Diameter 36.5mm Lug-to-lug 42.7mm Thickness 11.6mm

Band width: 18mm

Clasp type: Three-fold clasp with push button release

Movement

Caliber no.: 9S64 Movement Type: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:

• 24 jewels