SEIKO Prospex SBDC215 Speedtimer Mechanical Automatic Core Shop Exclusive Limited Distribution Watch PROSPEX SPEEDTIMER [Seiko] Men's

This new design line features a 6R caliber movement, combining a rotating bezel with a countdown scale with the traditional flow shape established in Seiko sports watches in the 1970s. The 6R55 caliber is housed in a 20-bar water-resistant case, pursuing the functionality and reliability required for timing in motorsports (rallies) under harsh environments and conditions. The slim case with 20-bar water resistance offers excellent wearability and water resistance. The rotating bezel with a countdown scale allows for countdown measurement of any desired time, such as remaining time or target time to complete a task. Furthermore, the reference position markers on the rotating bezel are filled with Lumibrite to ensure visibility in dark places. Caliber: 6R55 / Power reserve: Approximately 72 hours when fully wound / Accuracy: +25 to -15 seconds per day /

Number of jewels: 24 / Second hand stop function / Enhanced water resistance for daily use (20 ATM) / Calendar (date) function / Lumibrite: Yes (hands, indices, dial ring) / Anti-magnetic: Yes / Screw-down case back / Inner rotating bezel with countdown scale / Band adjustment C-ring system / MADE IN JAPAN