Grand Seiko SBGE253

A Spring Drive GMT for the next generation

Equipped with a GMT hand, this watch features Grand Seiko’s unique Spring Drive caliber, which combines the motive force of a mainspring with the high precision of a quartz watch.

Housed in a water-resistant stainless steel case with ceramic bezel, a 24-hour GMT hand and Lumibrite indices for exceptional precision and legibility complemented by the smooth motion glide of Spring Drive.

Specifications

Exterior

Exterior:  Stainless steel with ceramic bezel

Case back: Screw case back

Glass Material: Dual-curved sapphire crystal

Glass Coating: Anti-reflective coating on inner surface

LumiBrite: Lumibrite on hands and index(es)

Case size:

Diameter 40.5mm

Lug-to-lug 48.7mm

Thickness 14.7mm

Band width: 20mm

Clasp type: Three-fold clasp with push button release

Movement

Caliber no.: 9R66

Movement Type: Spring Drive

Power reserve:  Approx. 72 hours(3 days)

Accuracy: ±15 seconds per month (±1 second per day)

Functions

Water resistance: 20 bar

Magnetic resistance: 4,800 A/m

Weight: 172 g

Other details / Features:              

Screw-down crown

30 jewels

24-hour hand (dual time display function)

Power reserve indicator

Calendar-linked time difference adjustment function

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