Specifications
Exterior
- Case Material
- Titanium
- Glass Material
- Sapphire
- Case Size
-
Diameter: 44.2mm
- Case Colour
- Silver
- Band/Bracelet
- Bracelet - Titanium
- Band Colour
- Silver
- Band Reference
- AA0M1DM
- Exhibition Case Back
- NO
- Dial Colour
- Black
- Hand Indicators
- Hour, Minute, Seconds
- Calendar Indicators
- Date
- Lumibrite
- Hands & Markers
- Dial Markers
- Batons
- Crown
- Screw Down
- Rotating Bezel
- One Way
Movement
- Calibre Number
- 9R65
- Calibre Type
- Spring Drive - Powered By The Movement of the Wearer
- Calibre Function
- Analogue - 3 Hands
- Accuracy
- ±1 second per day / ±15 seconds per month (average)
- Power Reserve/Battery Life
- 72 Hours Power Reserve
- Battery
- N/A
- Display
- Analogue
Functions
- Water Resistance
- Diver's 200 Metres
- Power Reserve Indicator
- Yes
- Timer
- On Bezel

The Grand Seiko diver’s watch. A true original.
Grand Seiko’s diver’s watch design has stood the test of time, in every sense. It is the essential diver’s watch, offering everything the recreational diver needs with no compromise or distracting ornamentation. The time is highly visible, every aspect of its construction speaks of strength and durability and it is powered by a Spring Drive movement with one second per day precision. This is the diver’s watch for the purist.