Grand Seiko SBGE255

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

Case Material :Stainless steel with ceramic bezel

Glass Material :Dual-curved sapphire crystal

Glass Coating :Anti-reflective coating on inner surface

Lumi Brite :Lumibrite on hands and indexes

Case size :Diameter 40.5mm × Thickness 14.7mm

Clasp type :Three-fold clasp with push button release

Movement

Caliber no. :9R66 Instructions

‍Movement Type :Spring Drive

Power reserve :Approx. 72 hours(3 days)

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

Functions

Water resistance :20 barMagnetic resistance :EquippedWeight :172.0 gOther details / Features :

• ・24-hour hand (dual time display function)
• ・30 jewels
• ・Calendar-linked time difference adjustment function
• ・Case back with lion emblem
• ・Date display
• ・Power reserve display
• ・Screw case back
• ・Screw-down crown
• ・Stop seconds hand function

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