Seiko Prospex Speedtimer SBDC215 Automatic Watch Silver-White Dial
Seiko Prospex Speedtimer SBDC215 Automatic Watch
The Seiko Prospex Speedtimer Mechanical SBDC215 is an automatic sports watch inspired by Seiko’s flowing 1970s sports-watch designs. It combines a silver-white dial with a distinctive internal rotating countdown ring, operated by a dedicated crown at approximately 4 o’clock.
The watch is powered by Seiko’s Caliber 6R55 automatic movement, with manual winding, stop-seconds functionality, date display, and approximately 72 hours of power reserve. Its stainless-steel case features DiaShield coating, while the curved sapphire crystal includes inner-surface anti-reflective coating.
The SBDC215 is fitted with a multi-row stainless-steel bracelet and a three-fold push-button clasp. With 20-bar water resistance, LumiBrite on the hands, indexes, and internal-ring marker, and a compact 39.5mm case, it offers practical everyday performance with a distinctive Speedtimer design.
Key Features
Seiko Caliber 6R55 automatic movement with manual winding
Approximately 72-hour power reserve
Silver-white dial with orange accents
Internal rotating countdown ring operated by a dedicated crown
Stainless-steel case with DiaShield coating
Curved sapphire crystal with inner anti-reflective coating
20-bar water resistance
Multi-row stainless-steel bracelet with three-fold push-button clasp
Specifications
Specification | Details |
Brand | Seiko |
Model / Reference | SBDC215 |
Collection / Series | Prospex Speedtimer Mechanical |
Movement | Seiko Caliber 6R55 |
Caliber | 6R55 |
Movement Type | Automatic mechanical with manual winding |
Case Material | Stainless steel with DiaShield coating |
Case Diameter | 39.5 mm |
Case Thickness | 12.0 mm |
Lug Width | 20 mm |
Crystal | Curved sapphire crystal with inner anti-reflective coating |
Dial Color | Silver-white / cream |
Dial Details | Orange accents; LumiBrite on hands, indexes, and internal-ring marker |
Caseback | Screw-down caseback |
Bezel | Internal bidirectional rotating countdown ring |
Bracelet / Strap | Multi-row stainless-steel bracelet |
Clasp / Buckle | Three-fold clasp with push-button release |
Water Resistance | 20 bar |
Functions | Hours, minutes, seconds, date, stop-seconds function, internal countdown timer |
Power Reserve | Approximately 72 hours |
Other | Magnetic resistance: 4,800 A/m; weight: 154 g; case length: 44.5 mm |
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