SEIKO PROSPEX SAMURAI HBB001K1

The Seiko Prospex HBB001K1 is a 145th Anniversary Limited Edition automatic ISO-certified dive watch, limited globally to 9,999 pieces. Nicknamed the "Slim Samurai," it updates the iconic angular, blade-like case profile into a more compact, comfortable, and wearable layout.

• Calibre Number: Seiko In-House Calibre 4R35.
• Movement Type: Automatic mechanical with manual winding capacity.
• Power Reserve: Approximately 41 hours.
• Jewels: 23 jewels.
• Vibrations: 21,600 vibrations per hour (3Hz).
• Functions: Date display window and stop-second (hacking) function.
• Static Accuracy: +45 to -35 seconds per day.

• Case Material: Stainless steel with angular chamfering.
• Diameter: 41.7 mm.
• Thickness: 12.3 mm.
• Lug-to-Lug: 49.5 mm.
• Lug Width: 20 mm.
• Weight: 170.0 grams.

• Dial Color: Silver-white brushed texture.
• Bezel: Unidirectional rotating aluminum insert split in "Seiko Blue" and silver-grey.
• Luminescence: High-intensity LumiBrite coating on the hands, hour markers, and the bezel pipeline pip.
• Crystal: Dual-curved Hardlex tempered mineral glass.

• Strap Material: Stainless steel bracelet featuring chamfered center links.
• Clasp: Three-fold safety folding clasp with secure lock, push-button release, and built-in diver's extension.
• Crown: Screw-down crown located at the standard positions.
• Case Back: Solid screw-down case back stamped with a distinct "LIMITED EDITION" serial engraving.