Seiko Prospex 2020 Japan Exclusive "DEEP BLUE SUMO DIVER"
Prospex for Seiko means “Professional Specification” that their timepieces in this category are built with very high standards to be used by professionals. One that stands out to collectors around the world and known for one of great value for money Japanese Domestic Model(JDM) is the latest in their scuba diver series; the SBDC099 nicknamed by the Seiko community as “Deep Blue Sumo,” featuring their most recent 6R35 automatic movement.
The Seiko Prospex 200M Automatic Deep Blue Sumo Sapphire 3rd Gen Ref. SBDC099 precursor initially released in 2007 under the reference. SBDC001/003, but now with a few significant changes made on the latter.
Therefore, the Seiko Prospex Deep Blue Sumo Sapphire 3rd Gen Ref. SBDC099 is the pioneer to have a new movement; powered by Seiko’s latest automatic caliber, 6R35, which is an upgrade from the workhorse 6R15. It still operates at 21,600 BPH (3 Hertz) with hacking and hand winding capabilities. Its main updates are the increase of jewels to 24 and a power reserve of 70 hours from 50 hours on previous versions.
Model Number: SBDC099
- Sapphire Crystal Glass
- Stainless steel Case
- 200-meter water resistance
- Japan Made Automatic 6R35 Movement with manual winding capacity
- Unidirectional rotating bezel
- Screw case back
- Screw-down crown
- Unidirectional rotating bezel
- 24 jewels
- Date display
- Stop second hand function
Release: Year 2020