Citizen Attesa x Satellite Wave GPS ft. Spaceship Black (Limited Edition of 1,800 Pieces) Men Formal Hexagon 100m Water Resistant Watch CC4107-80H CC4107 CC-4107 Citizen Attesa CC4107-80H Spaceship Black limited edition. Its bezel and bracelet center links are crafted from recrystallized titanium, a material that undergoes extreme thermal cycling to form unique crystalline patterns - each watch is one of a kind, and this intricate, low‑yield process significantly raises its rarity and price. Limited to 1,800 pieces worldwide. Caliber Number / Movement F950 (Eco-Drive aka solar powered) Power Reserve / Accuracy Approximately 18 months when fully charged (+/-5 seconds per month without reception) Crystal Sapphire crystal (anti-reflective coating) Luminous Luminous on hands and indexes Case / Band Material Super Titanium (recrystallized, Duratect DLC) case with Super Titanium (recrystallized, Duratect DLC) band (three-fold clasp with push-button release, slide extender) Water Resistance 100m / 10 bar Case Size Thickness: 13.7 mm Diameter: 44.0 mm Length: 49.7 mm Lug width: Integrated Other Specifications Citizen Attesa x Satellite Wave GPS ft. Spaceship Black (Limited Edition of 1,800 Pieces) Made in Japan Summer time on/off World time (39 time zones) Time transfer function (switching between main and sub-dial) Perpetual calendar (to 28 February 2100) Alarm function Chronograph up to 24 hours in 1/20-second increment Power reserve indicator Overcharge prevention function Insufficient charge warning function Power saving function (hands stop to save power when left in the dark) Light-level indicator (solar power generation in 7 levels) Automatic hand position alignment function Day, date, 24-hour and dual time display Regular timekeeping (analog display) Satellite Wave GPS Function Satellite time signal reception function (time zone adjustment, automatic time adjustment, manual time adjustment) Confirming reception status (RX-GPS/RX-TME) Indicating the result of last reception (OK/NO)