Seiko Prospex PADI SRPA21 Special Edition Ultimate Dive Watch
All Seiko Prospex are hand assembled Original Unique Designs and In House Movements at Undebatable Unequal Value/Prices/Heritage, no other Manufacturer comes close,
Having said that All Prospex Watches have Slight Misalignment when trying to Align 4 independent pieces:
Dial Markers, Chapter Rings, Bezel and Insert.
You can Google Rolex misalignment and you will find hundreds of threads and pictures aswell...
21,600 vibrations per hour
Screw Case Back
Stainless steel bracelet with three-fold clasp with secure lock,
push button release with extender
Screw case back
Magnetic resistance: 4,800 A/m
Watch Dry Weight 198 gr
PADI Professional Association of Diving Instructors
Since the launch of the first diver's watch in 1965, Seiko's innovative new Technologies and Designs made diving safer and easier for the Professional and the recreational diver alike.
to name few Seiko innovations
1975 World's first Titanium diver's watch
1986 World's first diver's watch with ceramic outer case
2000 World's first Nitrox Dive Computer watch
Few months after Seiko's first diver watch release ,two America dive Enthusiasts decided that
standards of training in diving needed to be raised and founded PADI
Professional Association of Diving Instructors
Over the past 50 years PADI has became the world's most trusted scuba diving training Organization
Seiko and PADI share a passion for ensuring the safety and enjoyment of divers and protection of marine environment.
SRPA21 Automatic case and dial design that is reminder of 1970's 150m mechanical diver watch