The Seiko Prospex SPB383, 1968 Diver’s Modern Re-interpretation GMT
Seiko is introducing a new movement in the long-trusted 6R family that has a GMT function and a power reserve extended to a full 72 hours. Caliber 6R54 is presented in three new Prospex creations (SPB383, SPB381, & The Limited Edition SPB385) that are all modern re-interpretations of a Seiko classic from 1968 and are designed for diving with 200-meter water resistance.
Watch Description
| Movement |
Case/Band |
Other Details |
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Calibre Number: 6R54
Movement Type: Automatic with manual winding
Precision: +25 to -15seconds per day
Power Reserve: Approx. 72 hours (3 days)
Jewels: 24
Functions:
- 24-hour hand
- Stop second hand function
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Case Material: Stainless Steel (super hard coating)
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: 20 mm
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Water Resistance: 200m / 660ft diver's
Magnetic Resistance: 4,800 A/m
Weight: 176.0gr
Features:
- Unidirectional rotating bezel
- Screw-down crown
- Three-fold clasp with secure lock
- Screw case back
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