Grand Seiko Heritage SBGR307

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Grand Seiko Heritage SBGR307

  • USD4,740.66

Steely Class and Elegance Packed with Lasting Power and Quality

The SBGR307 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.

About Grand Seiko

Grand Seiko was established in 1960 with the mission to create "ideal" watches with standards of precision, durability and beauty that would lead the world. Grand Seiko watches are a reflection of Japanese aesthetics and are notable for the purity, simplicity and subtlety of their designs. Grand Seiko calls it “functional beauty,” a style that does not interfere with the reading of the time, but enhances it with harmonious case lines and uncluttered, easy-to-read dials. Key to the design are polished surfaces that reflect rays of light. Since ancient times, Japanese people have admired the subtle gradations between light and shadow in nature. With that inspiration, Grand Seiko uses a simple case design composed of a flat plane and curved line that respond to the movement of light. Grand Seiko creates this hard-edged, flat-surfaced case through a process called Zaratsu, giving the case a mirror-like smoothness where light and shadow play.

Grand Seiko makes watches with three different kinds of movements: mechanical, quartz, and Spring Drive. Spring Drive is a technical breakthrough invented by Seiko that combines the best of mechanical and quartz technologies. It’s an automatic watch that gives quartz accuracy without using a battery. No other watch company has this technology. It is a testament to the watchmaking savvy of a firm that has made mechanical watches since 1895.

SBGA259movement

Technical Specifications

Case size: 42mm

Case material: Stainless steel

Case back: Sapphire crystal

Movement type: Automatic

Movement no.: 9S86 Hi-beat

Power reserve: Approx 72hrs

Dial: Silver dial with stainless steel hour and minute hands and indices; heat-blued seconds hand

Glass: Dual-curved sapphire crystal with anti-reflective coating

Water resistance: 10ATM

Strap type: Metal

Strap material: Stainless steel

Buckle: 3-fold clasp with push button release

Features: Date, stop second hand function

Warranty: 3 years