SEIKO-Prospex SPEEDTIMER SPB517

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

Functions

• Stop second hand function

Case/Band

Case Material

Stainless steel (super hard coating)

Case Size

Thickness:12.0mm
Diameter:39.5mm
Lug-to-lug:44.5mm

Crystal

Curved sapphire crystal

Crystal Coating

Anti-reflective coating on inner surface

Band Material

Cow leather

Clasp

Three-fold clasp with push button release

Bracelet Length

185.0

Distance between lugs

20

Other Details

Water Resistance

20 bar

Magnetic Resistance

4,800 A/m

Weight

86.0g

Features

• LIMITED EDITION on the case back
• Serial number engraved on the case back
• Screw case back