Drawing on Seiko’s legacy of dive watch innovation, the Prospex SPB147 fuses heritage aesthetics with advanced engineering. With its compact form and bronze-accented dial, this mechanical diver offers a timeless tool watch appeal, built to perform under the pressures of the deep.

Key Features

Classic Dive Heritage

• Inspired by Seiko’s original 1965 diver’s watch

• Warm, sunray brown dial with gilt accents for a vintage-inspired look

• Compact and versatile 40.5 mm case with slim 13.2 mm profile

Professional Dive Capability

• Stainless steel case with screw-down crown and caseback

• 200m water resistance, meeting ISO standards for professional diving

• Unidirectional rotating bezel for accurate dive timing

• Curved sapphire crystal with inner anti-reflective coating for clarity underwater

Advanced Mechanical Movement

• Caliber 6R35 – Automatic with manual winding

• Power reserve: Approximately 70 hours

• 24 jewels | 21,600 vibrations per hour

• Stop seconds hand function | Date display

Comfort & Visibility

• LumiBrite on hands, indexes, and bezel for enhanced legibility in low light

• Soft black silicone strap for flexibility and dive-ready comfort

• Lug-to-lug: 47.6 mm | Lug width: 20 mm

• Weight: 111g for lightweight wear

The Seiko Prospex SPB147 brings together compact proportions, vintage design cues, and modern diver’s specifications. Ideal for daily wear or underwater exploration, it’s a robust and refined tribute to Seiko’s pioneering dive heritage—crafted for those who value timeless function.