This professional diver's model features Calibre 9S85 which has a precision of +5 to -3 a day. It is built to withstand pressures encountered in saturation diving, down to a depth of 600 metres.
The grooves on the rotating bezel ensure a firm grip even with thick diving gloves. Luminous markers at every ten second point on the dial ensure the legibility on which the safety of the deep sea diver depends.
Every component is built to last, but all divers know that their watch needs regular maintenance, just like every other device on which his or her life may depend. This is why the case, stem and crown are designed for secure servicing and even the bezel has a four-part design that makes for easy disassembly and re-assembly.
The dial is made of pure iron in order to protect the movement from the harmful effects of magnetism. It delivers safe and secure use during diving and, thanks to the lightness of the titanium, every-day usability is also assured.
It has the distinctive clean edges and distortion-free mirror surfaces that only Zaratsu polishing can deliver.
Any purchase through our Grand SEIKO Online Store has a 5 Year limited guarantee
Distance Between Lugs: mm
|Band/Bracelet:||Bracelet - Titanium|
|Hand Indicators:||Hour, Minute, Seconds|
|Rotating Bezel:||One Way|
|Calibre no.:||9S85 Instructions|
|Movement Type:||Automatic - Powered By The Movement Of The Wearer|
|Accuracy:||+5 to -3 seconds per day (when static)|
|Battery Life:||55 Hours Power Reserve|
|Water Resistance:||Divers 600 Metres|
|Other details / Features:||
One of the world's foremost mechanical movements, the culmination of high-precision micro-engineering and the attention to detail of Seiko's expert watchmakers.
Spring Drive is a unique movement that delivers one-second-a-day precision, using just the power of a mainspring.