Seiko Prospex Speedtimer Stainless Steel Automatic 39.5 MM Watch SPB513J1

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

Clasp

Three-fold clasp with push button release

Bracelet Length

197.0

Distance between lugs

20

Other Details

Water Resistance

20 bar

Magnetic Resistance

4,800 A/m

Weight

154.0g

Features

Screw case back