Citizen Eco Drive AT4008-51E

This perpetual calendar is radio-controlled in 5 time zones, boasts a 1-second chronograph that measures up to 60 minutes, and a power reserve. Featured in black ion plated stainless steel with luminous accents under the anti-reflective sapphire crystal.
Specifications

Movement: E650

Case: Stainless Steel Two-Tone with Coloured Ion Plating

Crystal: Anti-Reflective Coated Sapphire Crystal

Dimensions: 42mm in length, 42mm in width

Strap: Stainless Steel

Water resistance: WR200