Prospex SPB377J1

Caliber Number: 6R54

Movement Type: Automatic with manual winding

Precision: +25 to -15 seconds per day

Power Reserve: Approx. 72 hours(3 days)

Jewels: 24

Functions:

• 24-hour hand
  Stop second hand function

Case Material: Stainless steel (super hard coating)

Case Size

• Thickness: 13.6 mm
• Diameter: 39.5 mm
• Lug-to-lug: 46.4 mm

Crystal: Curved sapphire crystal

Crystal Coating: Anti-reflective coating on inner surface

Clasp: Three-fold clasp with push button release

Bracelet Length:

Bracelet Material: Cow Steer

Distance between lugs: 20

Water Resistance: 20 bar

Magnetic Resistance: 4,800 A/m

Weight:

Features:

• Screw-down crown
  See-through & Screw case back
  LumiBrite on hands and index(es)