SEIKO PROSPEX Mod. SPB383J1

Seiko unveils its latest horological innovation with the introduction of the advanced 6R54 caliber, featuring a practical GMT function and an impressive 72-hour power reserve. This groundbreaking movement debuts in our Prospex SPB383J1, a contemporary reimagining of the iconic 1968 design. Engineered for serious underwater exploration with its professional-grade 200-meter water resistance, this exceptional timepiece ensures optimal visibility in challenging conditions through Lumibrite-treated hands and hour markers complemented by a luminous-insert unidirectional rotating bezel. The watch is elegantly paired with a refined three-link stainless steel bracelet, thoughtfully designed with a streamlined profile that delivers both robust security and exceptional comfort during extended wear.

Specifications:

• Caliber: 6R54
• Water Resistance: Professional diver's 200 meters certification
• Oscillation Rate: 21,600 vibrations per hour
• Accuracy: +25/-15 seconds daily
• Movement Type: Self-winding automatic
• Dial Color: Rich black
• Index Visibility: Enhanced with LumiBrite treatment
• Hand Visibility: LumiBrite application for low-light conditions
• Case Construction: Premium stainless steel
• Bezel Material: High-performance ceramic
• Crystal: Sapphire with anti-reflective coating
• Bezel Color: Black
• Bezel Function: One-way rotation for dive timing
• Crown Protection: Screw-down system
• Case Diameter: 42.00 mm
• Profile Thickness: 12.90 mm
• Strap Width: 20 mm
• Bracelet Material: Three-link stainless steel
• Closure System: Safety folding clasp with secure locking mechanism

Ships from our locations in Lisbon and Milan