Master global time with the Seiko Astron SSH177J1 Dual-Time GPS Solar Chronograph.

This exceptional timepiece celebrates technological innovation through its advanced GPS Solar technology and dual-time functionality. Part of Seiko's revolutionary Astron collection, the SSH177J1 features cutting-edge GPS Solar technology powered by the 5X83 calibre that automatically adjusts to your time zone anywhere on Earth, creating a watch that delivers dual-time precision with world-class accuracy, perpetual calendar functionality until February 2100, and effortless tracking of two cities simultaneously.

Key Features:
• Seiko Calibre 5X83 GPS Solar - automatic time zone adjustment via satellite signals
• Dual-time function for tracking two time zones simultaneously
• 44.1mm lightweight titanium case with super-hard coating
• GPS Solar technology - powered by light, never needs battery replacement
• Automatic GPS time zone adjustment for accuracy wherever you go
• Chronograph functionality up to 12 hours with split time measurement
• Perpetual calendar accurate until February 2100
• World time function with DST adjustment
• Up to 6 months operation on full charge, power save mode up to 2 years
• Dual-curved sapphire crystal for durability and clarity
• LumiBrite hands and markers for excellent low-light visibility
• Power reserve indicator and time transfer function
• Satellite reception status display and GPS signal reception function
• 100m water resistance (10 BAR) - suitable for swimming
• Titanium bracelet with three-fold clasp and push button release
• Sleek silver finish for timeless style
• Magnetic resistance for reliable performance

Why This Watch Stands Out:
Built on Seiko's Astron legacy as the world's first GPS Solar watch, the SSH177J1 brings dual-time mastery to life through its advanced 5X83 calibre that tracks two cities effortlessly while automatically adjusting via GPS satellite signals. The automatic time zone adjustment ensures accuracy wherever you travel, making it perfect for international travelers and global professionals.

The lightweight titanium construction with super-hard coating ensures durability without bulk, while the perpetual calendar eliminates manual date adjustments until 2100, and the dual-curved sapphire crystal enhances dial clarity and depth. The sleek silver finish creates a timeless aesthetic that blends cutting-edge innovation with refined style, and the GPS Solar technology means you'll never need to replace a battery.

Perfect for global travelers, international business professionals, GPS technology enthusiasts, dual-time users, and anyone who values advanced GPS Solar precision combined with world time functionality, perpetual calendar accuracy until 2100, and lightweight titanium construction.