Seiko Prospex Speedtimer SBDC215 Speed Timer, Mechanical Self-Winding, Core Shop Exclusive Distribution Limited Wristwatch, Men's

This new design line features a 6R caliber that combines the flow shape of the Seiko sport watch established in the 70's with a countdown scale inset with the traditional flow shape. Equipped with a 6R55 caliber that is waterproof up to 20 ATM, this case pursues the functionality and reliability required for motorsports (Rally) metering in harsh environments and conditions. The low profile case with 20 ATM water resistance is both excellent wearing and waterproof. Countdown graduated rolling ring allows you to count down any time in the cloud, as well as target time until the time is left or completed. Additionally, the reference position marker on the inverted ring is filled with LumiBrite to ensure visibility in the dark. Caliber: 6R55 / Operating Time: Approx. 72 hours on maximum winding / Accuracy: Daily difference + 25 seconds to -15 seconds / Number of Stones: 24 stones / Second hand stop function / Reinforced water resistance for everyday use (20 ATM) / Calendar (date) function / Lumibrite : Yes (hands, indexes, dial ring) / Anti-Magnetic: Yes / Screw back / Countdown scales Inverted Ring / Band Adjustment C-ring method: Made in Japan

ASIN: B0FJXNWJM2