Seiko Prospex Speedtimer Stainless Steel Automatic 39.5 MM Black Dial Watch SPB515J1

The Prospex Speedtimer line descends from Seiko's 1969 automatic chronograph, one of the first in the world. This 39.5mm reference is the three-hand interpretation, running the Caliber 6R55 automatic with a 72-hour power reserve and a 20 bar water rating, in a steel case with super-hard coating.

Key facts
Brand: Seiko
Collection: Prospex Speedtimer
Reference: SPB515J1
Movement: Caliber 6R55 automatic with manual winding, 24 jewels, approx. 72-hour (3-day) reserve, +25 to -15 sec/day
Case material: Stainless steel with super-hard coating
Case size: 39.5 mm diameter, 12.0 mm thick, 44.5 mm lug-to-lug
Dial: Black
Crystal: Curved sapphire, anti-reflective inner coating
Water resistance: 20 bar

Specifications

Caliber Number: 6R55
Movement Type: Automatic with manual winding
Precision: +25 to -15 seconds per day
Power reserve: Approx. 72 hours (3 days)
Jewels: 24
Stop second hand function
Case Material: Stainless steel (super hard coating)
Thickness: 12.0 mm
Diameter: 39.5 mm
Lug-to-lug: 44.5 mm
Crystal: Curved sapphire crystal
Crystal Coating: Anti-reflective coating on inner surface
Clasp: Three-fold clasp with push button release
Bracelet Length: 197.0 mm
Distance between lugs: 20 mm
Water Resistance: 20 bar
Magnetic Resistance: 4,800 A/m
Weight: 154.0 g
Screw caseback

Frequently Asked Questions

Q: Is this watch new and authentic?
A: Yes. Every watch we sell is brand new and 100% authentic, backed by our money-back guarantee.

Q: What is included in the box?
A: The watch arrives in its original Seiko packaging with warranty card and manual.

Q: How is it shipped?
A: Worldwide by DHL Express from Dubai, with tracking details provided on every order.

Q: What is the warranty?
A: Seiko international manufacturer warranty, plus our own store support.