Introducing the Seiko Presage Cocktail Time Blue Moon SSA405J, an automatic timepiece featuring an open-heart design. This men's watch showcases a classic aesthetic with a multi-tonal blue dial, stainless steel case, and a coordinating leather strap. The Blue Moon model SSA405J houses a 4R38 movement, providing a power reserve of approximately 41 hours.The sunburst blue dial, coupled with the open-heart feature, exudes sophistication, while the gold-tone sweeping second hand adds a touch of luxury against the blue backdrop. The overall aesthetic is one of understated elegance, making it a timeless addition to any ensemble.- Caliber No. 4R38- Automatic Movement Powered by the movement of the wearer - 41 Hours Power Reserve - 40.5mm Case Size - 11.8mm Case Thickness - 70g Weight- Stainless Steel Case- Leather Band - Hardlex Glass - Pull Out Crown - 50 Meters Water Resistant