SEIKO PROSPEX SRPE99K1 - PADI Special Edition ‘Pepsi’

The Seiko Prospex SRPE99K1 is a celebrated PADI Special Edition diver’s watch featuring Seiko’s iconic Turtle case design updated with a bold “Pepsi” blue and red bezel and classic dive watch styling. Officially produced in collaboration with the Professional Association of Diving Instructors (PADI), this model combines strong ISO-rated dive performance with vintage Seiko appeal — a modern reinterpretation of the brand’s beloved 1970s Pepsi dial divers.

Key Features

• PADI Special Edition Design — created in partnership with PADI, featuring the organization’s signature colors and branding on the dial.
• Iconic “Turtle” Case Shape — ergonomic cushion-style case that’s comfortable on the wrist yet built ruggedly for diving.
• Automatic Mechanical Movement — Caliber 4R36 — reliable, self-winding movement with manual winding and stop-seconds functions.
• Unidirectional Pepsi Bezel — blue and red rotating bezel to time dives and surface intervals.
• Day/Date Display — practical calendar complication at 3 o’clock.
• LumiBrite Hands & Markers — Seiko’s luminescent coating for excellent legibility in low light and underwater.

Specifications

• Model: SRPE99K1
• Collection: Seiko Prospex – PADI Special Edition “Pepsi Turtle”
• Movement: Seiko Caliber 4R36 automatic mechanical
• Jewels: 24
• Power Reserve: Approx. 41 hours
• Accuracy: Typical –35 to +45 sec/day
• Functions: Hours, minutes, seconds, stop-seconds; day/date display

Case & Bracelet

• Case Material: Stainless steel (polished/brushed)
• Bracelet: Stainless steel with three-fold clasp + secure lock + diver’s extender
• Crystal: Hardlex (Seiko tempered mineral crystal)
• Bezel: Unidirectional rotating “Pepsi” (red & blue) 60-min scale
• Crown: Screw-down at 4 o’clock
• Case Diameter: Approx. 45.0 mm
• Case Thickness: Approx. 13.4 mm
• Lug Width: 22 mm
• Weight: ~195 g
• Caseback: Screw-down with diver engravings

Water Resistance:

• 200 m / 20 bar (ISO 6425 certified) — suitable for recreational and air diving.

Colorway & Aesthetics

• Dial: Deep Blue Sunburst with PADI logo and strong contrast white indices.
• Hands & Markers: Silver with LumiBrite for nighttime and underwater visibility.
• Bezel: Pepsi Blue & Red unidirectional insert — classic diver’s look and tribute to PADI colors.
• Case & Bracelet: Silver stainless steel for a rugged yet everyday-ready style.

The Seiko Prospex SRPE99K1 “Pepsi Turtle” delivers classic dive watch heritage with modern performance and unmistakable PADI branding. Its Pepsi bezel and blue sunburst dial combine vintage aesthetic with practical diver functions — including a reliable automatic movement, solid water resistance, and luminous indices — making it a versatile and enduring choice for scuba enthusiasts and everyday wear.