This Seiko SUR311P1 is the ultimate expression of the "less is more" philosophy. Part of the Seiko Essentials collection, it is designed for the modern man who requires a timepiece that is sharp, reliable, and indestructible. With its deep black dial and high-contrast silver indices, it offers a "stealth-wealth" aesthetic that fits perfectly in any professional or formal setting.

Seiko Essentials | Deep Black Sapphire Dress Watch

The "Midnight Professional" (Ref. SUR311P1)

Key Features

• Inky Black Dial: A rich, matte-finish black dial that provides a striking backdrop for the polished silver hands and indices, ensuring maximum legibility.
• Premium Sapphire Crystal: Unlike standard glass, this watch features a Sapphire crystal, providing elite-level scratch resistance and diamond-like clarity for the life of the watch.
• Perfectly Proportioned: At 40mm, it offers a classic contemporary presence-large enough to be modern, but slim and refined enough to sit comfortably under a tailored cuff.
• Low-Maintenance Quartz: Powered by the ultra-accurate Seiko Caliber 6N52, offering "set-it-and-forget-it" precision that mechanical watches can't match.
• 100m Water Resistance: Built for the real world. This dress watch is safe for swimming, showering, and rain, making it a true daily companion.

Technical Specifications

• Model Number: SUR311P1
• Movement: Japanese Quartz (Caliber 6N52)
• Accuracy: 15 seconds per month
• Case Diameter: 40.2 mm
• Case Thickness: 8.4 mm (Ultra-slim design)
• Material: 316L Stainless Steel (Brushed and Polished)
• Glass: Sapphire Crystal (High Scratch Resistance)
• Dial Color: Deep Black
• Water Resistance: 10 Bar (100 Meters / 330 Feet)
• Calendar: Date window at 3 o'clock
• Clasp: Three-fold clasp with push-button release