Seiko Prospex Automatic – SPB321
Seiko Prospex Automatic – SPB321
Seiko Prospex Automatic – SPB321
Seiko Prospex Automatic – SPB321

Seiko Prospex Automatic – SPB321


Regular price $1,200.00

This item is in stock and ready to ship!
The Seiko Prospex Automatic Diver's Watch Re-Interpretation is tailor-made for thrill-seekers valuing both technology and style. Embodying Seiko's sports watch legacy, it honors past achievements through contemporary materials and design. Crafted from stainless steel with an ultra-hard coating, the watch boasts a scratch-resistant ceramic blue uni directional rotating bezel. The inner surface of the sapphire crystal is anti-reflective coated, enhancing visibility. With a screw-down crown and case back, plus a tri-fold clasp featuring a push-button release, secure lock, and extender, water resistance is assured. The distinct press-patterned gradated blue dial incorporates LumiBrite markers, ensuring readability even in low light. Sporting a date calendar and adhering to ISO standards for dives of up to 200 meters, this watch is an exceptional timepiece. Its 24-jewel automatic movement operates at 21,600 vibrations per hour, offering approximately 70 hours of power reserve with manual winding capacity. This Seiko Prospex Automatic Diver's Watch Re-Interpretation melds classic aesthetics with contemporary ruggedness, catering to adventurers and water enthusiasts seeking a blend of functionality and style.
Band Bracelet
Band Material Stainless Steel
Caliber 6R35
Case Material Stainless Steel
Case Size 45mm
Case Thickness 13.4mm
Caseback Closed
Clasp Three-fold
Collection Prospex
Crystal Sapphire Crystal
Dial Blue
Function Date
Gender Men's
Lug Width 20mm
Lug-to-Lug 52.6mm
Movement Automatic
Power Reserve 70 Hours
Water Resistance 200m


Little Treasury Jewelers is the watch and jewelry store destination for the greater Baltimore-Annapolis area. Providing a piece for all of life’s occasions, offering a collection of wedding and engagement jewelry, fine timepieces, children’s jewelry, and gifts. With a selection of fine watches unequaled in the area, international jewelry designers, and a repair facility on the premise, Little Treasury is truly a “hidden gem” in Maryland.