Seiko Astron SSH155 Sport Design Dual Time Chronograph Black DLC GPS Solar

Caliber Number: 5X83

Movement Type: GPS solar

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

Power Reserve: Operating for approx. 6 months (when fully charged), power save approx. 2 years

Jewels: 14

Case Thickness: 13.4mm

Case Diameter: 43.3mm

Lug-to-Lug: 49.5mm

Crystal: Dual-curved sapphire crystal

Crystal Coating: Super-clear coating

LumiBrite: Lumibrite on hands and index(es)

Clasp: Three-fold clasp with push button release

Distance Between Lugs: 14mm

Water Resistance: 10 bar

Magnetic Resistance: 4,800 A/m

Features:

• Allergy-safe metal
• Clasp with Smart Adjuster function
• Screw case back

Functions:

• Overcharge prevention function
• Power save function
• Chronograph up to 12 hours in 1/20 second increments
• Perpetual calendar to the February 28, 2100
• World time function (38 cities)
• Dual-time function
• Day display
• Power reserve indicator
• Time transfer function (Switching between the main-dial and sub-dial)
• GPS signal reception function (Time zone adjustment, automatic time adjustment, manual time adjustment)
• Satellite acquisition status display function
• Reception result display function
• DST (Daylight Saving Time)
• Function to prevent the GPS signal reception (in-flight mode)
• Automatic hand position alignment function