Inspired by the Moon and the role of Seiko spring drive technology in Space exploration

Spring drive

Automatic with manual winding capability

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

Power reserve: approximately 72 hours

30 jewels

Sapphire GMT bezel

Gray lunar-surface textured dial

Power reserve indicator

Date calendar

LumiBrite hands and markers

Blue GMT hand

Sapphire crystal with super-clear coating

Screwdown crown [and caseback]

Case dimensions: Thickness – 14.7mm; Diameter – 44.8mm; Length – 50.9mm

Titanium case and bracelet with super-hard coating

Tri-fold push-button release clasp

Water resistant to 10 bar, 100 meters (330 feet)

Caliber 5R66

Packaged in a special collectors’ box