Seiko Astron Titanium Watch

Instruction manual: here

Movement

Caliber 5X83

Movement Type: GPS solar

Precision ±15 seconds per month (without receiving GPS signals and at a temperature between 5°C and 35°C)

Autonomy Autonomy of around 6 months (when fully charged); 2 years in Energy Saving mode

Functions:

• Overload prevention
• Energy saving
• Chronograph for up to 12 hours in 1/20 second increments
• Perpetual calendar scheduled until February 28, 2100
• World time (38 cities)
• Dual time zone
• day display
• Power reserve indicator
• Time transfer function (chance to switch second time zone between dial and sub-dial)
• Reception of GPS signals (time zone adjustment, automatic and manual time adjustment)
• GPS satellite detection status display
• Display of receipt result
• Summer Hours (DST, Daylight Saving Time)
• Blocking reception of GPS signals (flight mode)
• Automatic alignment of the position of the hands

Case/Bracelet

Case Material: Titanium with ceramic/titanium bezel

Box Size:

Height: 13.4mm Diameter: 43.3mm Top to base: 49.5mm

Glass Material: Double-curvature sapphire

Glass Coating: Super-transparent coating

LumiBrite: LumiBrite on pointers and index(es)

Closure: Triple folding clasp with safety button

Water Resistance: 10 bar Weight 117.0 Characteristics

• Hypoallergenic (against metal allergies)
• Closure with smart adjustment function
• Screw cap