Presage SPB537J1
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Description
The Seiko Prospex SPB537J1 is a refined automatic watch powered by the Caliber 6R5H, offering a 72-hour power reserve and reliable precision.
Its 35.9 mm stainless steel case with super-hard coating is paired with a dual-curved sapphire crystal and an enamel dial, each uniquely crafted through high-temperature firing.
With features like a 24-hour hand, stop-seconds function, and a see-through case back, it blends durability with artisanal elegance, making it a distinctive piece for collectors and enthusiasts.
Movement
Caliber Number: 6R5H
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/Band
Case Material: Stainless steel (super hard coating)
Thickness: 13.4 mm
Diameter: 42.5 mm
Lug-to-lug: 46 mm
Crystal: Dual-curved sapphire crystal
Crystal Coating: Anti-reflective coating on inner surface
Clasp: Three-fold clasp with push button release
Distance between lugs: 20mm
Other Details
Magnetic Resistance: 4,800 A/m
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