SEIKO PROSPEX BLACK SERIES SAMURAI SRPH11K1

The Seiko Prospex "Black Series Samurai" SRPH11K1 is a limited-edition automatic diver's watch, part of the 2021 Black Series, which was inspired by the world of night diving. Key features include a matte black case and dial with orange accents on the hands and markers for visibility. 
General specifications

• Model: SRPH11K1, known as the "Black Series Samurai".
• Case: 8,000 piece limited edition worldwide, with the serial number engraved on the caseback.
• Inspiration: Inspired by the mysterious world of night diving, with orange coloring on the minute hand and indexes to represent night divers' lamps. 

• Caliber: 4R35, automatic with manual winding capability.
• Jewels: 23 jewels.
• Power Reserve: Approximately 41 hours.
• Functions: Date display and stop-seconds hand function.

• Case Material: Stainless steel with a black hard coating.
• Case Diameter: 43.8 mm.
• Case Thickness: 13.4 mm.
• Lug-to-Lug Length: 48.4 mm.
• Weight: 122g.
• Crystal: Hardlex.
• Water Resistance: 200 meters (20 bar), a genuine diver's watch rated according to ISO 6425 standards.
• Crown: Screw-down.
• Case Back: Screw case back, engraved with "LIMITED EDITION" and the watch's serial number.
• Bezel: Unidirectional rotating. 

• Dial Color: Black.
• LumiBrite: Featured on the hands, indexes, and bezel for improved legibility in low light.
• Band Material: Black silicone with a stainless steel pin buckle.