Seiko Prospex Black Series Automatic – SRPK43

Seiko Prospex Black Series Automatic – SRPK43

SKU: 001-545-11685

Regular price $725.00

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The SRPK43 Prospex Black Series is a timepiece that embodies the essence of "night vision" with its innovative design. The watch features Green Lumibrite Pro, which illuminates its black dial akin to the clarity of a night-vision scope. Its automatic movement, caliber 4R36, provides a reliable power reserve of approximately 41 hours, along with useful functions such as a stop-second feature and a day/date display. Crafted from robust stainless steel with a ceramic bezel, the case measures 13.2mm in thickness and 45.0mm in diameter, with a lug-to-lug distance of 47.7mm. The durability of the watch is further enhanced by a sapphire crystal with an anti-reflective coating, ensuring clear visibility in any lighting condition.

LumiBrite technology is employed on the hands, indexes, and bezel, offering luminosity that shines vividly even in the darkest of environments. The timepiece secures comfortably with a three-fold clasp featuring a secure lock, push-button release, and an extender for added convenience. With a water resistance rating of 200m, the SRPK43 is suitable for diving activities, promising reliability underwater. Weighing 198.0g, it strikes a balance between sturdiness and comfort.

The unidirectional rotating bezel is used for tracking elapsed time, a screw-down crown for added water resistance, and a screw case back for durability. Its sleek design and functional features make it an ideal companion for outdoor enthusiasts and adventurers. Whether diving into the depths of the ocean or navigating through challenging terrains, the SRPK43 Prospex Sea The Black Series ensures accurate timekeeping and legibility, offering unparalleled performance in any situation.
Band Bracelet
Band Color Black
Band Material Stainless Steel
Caliber 4R36
Case Material Stainless Steel
Case Size 45.0mm
Case Thickness 13.2mm
Caseback Closed
Clasp Three-fold
Collection Prospex
Crystal Sapphire Crystal
Dial Black
Function Day-Date
Gender Men's
Lug Width 22mm
Lug-to-Lug 47.7mm
Movement Automatic
Power Reserve 41 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.