Seiko Prospex Speedtimer SPB513 Stainless Steel Silver Index Dial Watch

Engineered for precision and performance, the Seiko Prospex Speedtimer SPB513 blends classic mechanical craftsmanship with modern design cues inspired by racing timepieces. Featuring a sleek silver dial, robust stainless steel construction, and Seiko’s reliable automatic movement with a 72-hour power reserve, this watch is equally at home on the track or the wrist of a daily wearer. Its unique internal rotating countdown bezel, luminous hands, and high-visibility indices provide both utility and timeless style.

Model: SPB513
Collection: Seiko Prospex Speedtimer
Movement: Automatic with manual winding — Seiko Caliber 6R55 (approx. 72-hour power reserve)
Accuracy: +25 to –15 seconds per day
Jewels: 24
Case Material: Stainless steel with super-hard coating
Case Size: 39.5 mm diameter × 12.0 mm thickness
Lug-to-Lug: 44.5 mm
Crystal: Curved sapphire crystal with anti-reflective coating on inner surface
Dial: Silver dial with applied indices and LumiBrite on hands and markers
Bracelet: Stainless steel with three-fold clasp and push button release
Lug Width: 20 mm
Water Resistance: 20 bar / 200 m
Magnetic Resistance: 4,800 A/m
Caseback: Screw case back
Special Features: Internal rotating countdown bezel for timing intervals, date display at 4:30