SEIKO

SPB383J1

Seiko Prospex 3-Day GMT SPB383J1

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Seiko Prospex 3-Day GMT SPB383J1 . Seiko Prospex challenges every limit, with a collection of timepieces for sports lovers and adventure seekers whether in the water, in the sky or on land.

Movement

Calibre 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 seconds hand function

Case/Band

Case Material: Stainless steel (Bezel: Stainless steel with ceramic display)
Case Size
Thickness: 12.9mm
Diameter: 42.0mm
Lug-to-lug: 48.6mm
Crystal: Sapphire crystal
Crystal Coating: Anti-reflective coating on inner surface
LumiBrite: LumiBrite on hands, index(es) and bezel
Clasp: Three-fold clasp with secure lock , push button release with extender
Distance between lugs: 20mm

Other Details

Water Resistance: 200m / 660ft diver's
Magnetic Resistance: 4,800 A/m
Weight: 176.0g
Features
  • Unidirectional rotating bezel
  • Screw-down crown
  • Three-fold clasp with secure lock
  • Screw case back

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