Seiko Prospex Black Series Limited Edition – The tropical seas show many expressions as the sun sets, changing its color from a cobalt-blue to a dark jet-black wrapped in the silence of the night. The mystical charm of the sea at night makes night diving a sought-after activity for those fascinated by the contrasting appeal from the sea at daytime. Today, a series of all-black diver’s watches inspired by the dramatic and mysterious world of the nighttime ocean is born.
Seiko Prospex Black Series Limited Edition SLA035J1
As culmination of Seiko’s developments in watchmaking technology, today a saturation diver’s watch in an all-black case with a red-accented dial offering water-resistance of up to 300m is introduced.
The properties of water absorb light of high wavelengths, such as red, while shorter wavelengths, such as blue and purple, are harder to absorb and reflect off of the sea.
Red light is increasingly absorbed deeper under water, making it difficult for red objects to be seen. Light reflected from the ocean contains a lot of the blue color that remains unabsorbed which results in the blue appearance of the ocean.
Red light is hardly absorbed in water at depths of 300m making red objects and organisms invisible. Instantaneous judgment becomes critical under deep levels of water and the edges of the seconds hand and the 300m mark on the dial are therefore applied red to eliminate unnecessary information allowing for instantaneous readability.
The watch has sapphire crystal with anti-reflective coating on the inner surface. The bezel display material is black-colored zirconia ceramics to ensure both high legibility and rigidity. The red seconds hand disappears under the deep ocean but adds a nice aesthetic for daily use.
Seiko Prospex Black Series Limited Edition SPB125J1 / SSC761J1
From the Prospex diver’s watch comes two models that combine the practical functions of a wristwatch with the waterproof functions of air diving. The impressionable orange accent of its design also make these watches perfect for daily use.
Black hard-coating is applied to the stainless steel case of the watch whose design has long been popular amongst wearers by the nickname “SUMO.” The orange of the minute hand echoes the light flashed in the dark sea by the night divers which allows for the exact time to be read under dark conditions.
Seiko’s unique Lumibrite ensures legibility in the dark world of the night sea. The watch’s markers are applied a special Lumibrite in the same orange color. The watches are water-resistant to 200 meters and has a screw-down crown to ensure the safety of the divers from any accidental operations.
Seiko Prospex Black Series Limited Edition Technical Specifications
Movement
Calibre Number 8L35
Movement Type
Automatic with manual winding capacity
Accuracy
+15 to -10 seconds per day
Duration
Approx. 50 hours
Exterior
Case Material
Stainless steel (hard coating)
Crystal
Sapphire
Crystal Coating
Anti-reflective coating on inner surface
LumiBrite
Lumibrite on hands and indexs
Band Material
Silicone
Other Details
Water Resistance
300m / 1000ft for saturation diving
Case Size
Thickness: 15.4 ㎜
Diameter: 44.3 ㎜
Length: 50.5 ㎜
Other Specifications
LIMITED EDITION on the case back
One-piece structure
Screw-down crown
Serial number engraved on the case back
Unidirectional rotating bezel
Other Features
26 jewels
Date display
Stop second hand function
Movement
Caliber Number
6R35
Movement Type
Automatic with manual winding capacity
Accuracy
+25 to -15 seconds per day
Exterior
Case Material
Stainless steel (hard coating)
Crystal
Sapphire
LumiBrite
Lumibrite on hands and indexs
Band Material
Silicone
Other Details
Water Resistance
200m / 660ft diver’s
Case Size
Thickness: 12.9 ㎜
Diameter: 45 ㎜
Length: 52.6 ㎜
Other Specifications
LIMITED EDITION on the case back
Screw case back
Screw-down crown
Serial number engraved on the case back
Unidirectional rotating bezel
Other Features
24 jewels
Date display
Stop second hand function
Movement
Caliber Number
V192
Movement Type
Solar
Accuracy
±15 seconds per month
Exterior
Case Material
Stainless steel (hard coating)
Crystal
Sapphire
LumiBrite
Lumibrite on hands and indexs
Band Material
Silicone
Other Details
Water Resistance
200m / 660ft diver’s
Case Size
Thickness: 13.7 ㎜
Diameter: 44.5 ㎜
Length: 51.6 ㎜
The Perimeter of Bracelet
207 ㎜
Other Specifications
LIMITED EDITION on the case back
Screw case back
Screw-down crown
Serial number engraved on the case back
Unidirectional rotating bezel
Other Features
24-hour hand
Chronograph up to 60 minutes in 1/5 second increments
Date display
Display function of resuming electric power generation.
Equipped with small seconds hand
Overcharge prevention function