A bold reinterpretation of a Seiko diver’s classic, the Prospex SPB335 Black Series Limited Edition fuses vintage design with modern professional specifications. This timepiece is inspired by the night vision view of deep-sea missions, where clarity is critical and precision is life-saving.

Key Features

Limited Edition Design

• One of 4,500 pieces, each individually numbered on the case back

• Inspired by night vision optics, with stealth-black aesthetics

• Iconic diver’s silhouette, reimagined in a modern, slimmer profile

Enhanced Legibility

• Green LumiBrite Pro on hands and markers

• High brightness and extended afterglow, optimized for night use

• Black dial with clear, high-contrast detailing

Mechanical Precision

• Caliber 6R35 – Automatic with manual winding

• 21,600 vibrations per hour, 24 jewels

• Power reserve: Approximately 70 hours

• Date display at 3 o’clock

Built for Adventure

• Case: Stainless steel with black hard coating

• Bezel: Black unidirectional rotating elapsed-time bezel

• Crystal: Curved sapphire with inner anti-reflective coating

• Screw-down crown and caseback for diving security

• Water resistance: 200m / 660ft (ISO-certified for scuba diving)

Wearability & Comfort

• Case size: 41.0 mm diameter | 12.3 mm thickness | 46.9 mm lug-to-lug

• Lug width: 20 mm

• Strap: Black silicone for flexibility and durability

The Seiko Prospex SPB335 is a purpose-built diver’s watch refined for both exploration and distinction. Its stealth black finish, pro-grade luminosity, and 70-hour power reserve make it a collector-worthy timepiece—and a trusted tool for life below the surface.