Seiko Prospex Speedtimer Solar GPS SSH165J1

The Seiko Prospex Speedtimer Solar GPS SSH165J1 combines classic design with modern technology, featuring a comfortable 42mm case and water resistance up to 100m, protected by a durable sapphire crystal. Powered by the advanced Seiko Cal. 5X83 Solar GPS movement, it automatically adjusts to local time zones via GPS and offers up to 6 months of operation on a full charge. Additional features include a perpetual calendar until 2100, a power reserve indicator, world time across 39 time zones, dual time zones, automatic hand alignment, and a power save mode. This model also introduces a chronograph function, making it a versatile choice for any watch enthusiast.

Movement

• Caliber Number 5X83
• Movement Type GPS solar
• Precision ±15 seconds per month (without receiving a GPS signal and at temperatures between 5°C and 35°C )
• Power reserve Operating for approx. 6 months (when fully charged), power save: approx. 2 years
• Jewels 14

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
  

Case/Band

• Case Material Titanium (super-hard coating)
• Case Size
• Thickness:12.9mm
  Diameter:42.0mm
  Lug-to-lug:49.6mm
• 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 20mm

Other Details

• Water Resistance 10 bar
• Magnetic Resistance 4,800 A/m
• Weight 106.0g
• Features
• Clasp with Smart Adjuster function
• Screw case back