Seiko Selection SBTM357 JDM 37 mm solar-powered radio-controlled men's watch – Sapphire, 10 atm, perpetual calendar, steel strap JDM (Japanese domestic market)

Introducing the Seiko Selection SBTM357, a men’s timepiece powered by a solar quartz radio-controlled movement (caliber 7B62) that brings together precision, elegance, and functionality.

With a case diameter of 37.0 mm, a thickness of 8.7 mm, and total height of 43.6 mm, this model maintains a well-balanced profile. The dial is white/silver, complemented by blue hands that provide a subtle contrast.

The crystal is sapphire with a Super Clear Coating, enhancing legibility by reducing reflections. The case and bracelet are crafted from stainless steel, and the clasp is a one-push tri-fold system.

Key technical features:

• Water resistance: 10 atm (suitable for daily use, showering, light swimming)
• Functions include:
  
   • Radio signal time correction for ultra-accurate timekeeping
  
   • Perpetual calendar valid through 2099
  
   • Power save mode
  
   • Automatic hand position correction
• Accuracy (when not receiving signals): ±15 seconds/month
• Power reserve: approx. 9 months under normal operation, up to 2 years in power save mode
• Magnetic resistance: built-in

This watch is a superb option for those who desire a dependable, exquisitely designed timepiece with advanced features (radio control + perpetual calendar), while maintaining a compact and elegant form.