SSH155J1 [P]

Seiko Astron x GPS Solar ft. Dual-Time Chronograph Men Formal Round 100m Water Resistant Watch SSH155J1 SSH155 SSH-155 SSH-155J1

Experience cutting-edge precision with the Seiko Astron GPS Solar Chronograph, featuring the new Caliber 5X83 movement with 1/20-second stopwatch and dual time display. The high-contrast dial, ceramic-titanium bezel, and dual-curve sapphire crystal combine sporty elegance with advanced functionality. Lightweight titanium case ensures comfort, while instant time transfer enhances global usability.

Caliber Number / Movement
5X83 (solar powered)

Power Reserve / Accuracy
Approximately 6 months when fully charged (+/-15 seconds per month without GPS signal)

Crystal
Sapphire crystal (dual-curved, super-clear coating)

Luminous
LumiBrite on hands and indexes

Case / Band Material
Titanium (super-hard coating) case, ceramic / titanium bezel with titanium band (three-fold clasp with push-button release, smart adjuster function)

Water Resistance
100m / 10 bar

Case Size
Thickness: 13.4 mm
Diameter: 43.3 mm
Length: 49.5 mm
Lug width: Integrated

Other Specifications
Seiko Astron x GPS Solar ft. Dual-Time Chronograph
Made in Japan
Magnetic resistance (4,800 A/m)
Allergy-safe metal
Screw case back
DST (daylight saving time)
World time function (38 cities)
Time transfer function (switching between main and sub-dial)
Perpetual calendar (to 28 February 2100)
Chronograph up to 12 hours in 1/20-second increment
Power reserve indicator
Overcharge prevention function
Power saving function (hands stop to save power when left in the dark)
Automatic hand position alignment function
Day, date, 24-hour and dual-time display
Regular timekeeping (analog display)

GPS Function
GPS signal reception function (time zone adjustment, automatic time adjustment, manual time adjustment)
Reception result display function
Satellite acquisition status display function
Function to prevent the GPS signal reception (in-flight mode)