Here is how I painted the Chronomancer for my Hierotek Circle Kill Team. These colours could definitely work as a standard unit in a Sautekh Dynasty army though.

Living Metal

1. Basecoat the model with Gunmetal Grey .
2. With an airbrush, spray an all over zenethal highlight of Duraluminum downwards at a 45 degree angle.
3. Spray White Aluminum almost straight downward, from the top of the model. Be selective only catching the very top, face and shoulders.
4. Now we do an oil wash on all of the Necron and the weapon coil. I poured out the amount odourless Artists' White Spirits I felt I needed for the wash and added paint to it, until I was happy with the consistency. I used 3 parts Ivory Black, with 1.5 parts Burnt Sienna and 1 part Cobalt Violet Hue, all from the Winton range of oil paints.
5. After giving the oil paint at least an hour to dry, wipe paint from the exposed areas and avoid recesses. I like to use makeup sponges or those little sponges on stick for applying makeup. If you want to remove the paint extra thoroughly in an area, add a very small amount of white odourless Artists' White Spirits to the sponge.
6. Selectively highlight exposed edges and places where the light would hit with Silver RLM01 Metallic .

Black Armour

1. Basecoat with Black .
2. Chunky highlights of Incubi Darkness .
3. Fine edge highlights of Sons of Horus Green .
4. Selective highlights of 1:1 Sons of Horus Green and Sybarite Green .
5. Add some White to the previous mix, and add specular highlights.

White Armour

1. Basecoat with a 1:1 mix of Grey Seer and White .
2. Glaze/shade with Grey Seer . Be quite generous with the area you shade.
3. Add additional shading with Dawnstone . Make this stage more selective.
4. In areas where you want a clear division, shade with very thin lines of Skavenblight Dinge .
5. Add edge highlights with White .

Light Green Energy

1. Basecoat with White .
2. Wash with Tesseract Glow .
3. Shade with thin Warpstone Glow .
4. Shade the deepest areas with Caliban Green .
5. Towards the centre, mix your Tesseract Glow with some White and lighten a small area, leaving space to get brighter.
6. Finish with a small amount of White in the very centre.

Gold Details

1. Basecoat with 1:1 Retributor Armour and Balthasar Gold .
2. Shade with Gore-grunta Fur . I like to work it on my wet palette then selectively shade recesses, rather than wash the whole thing.
3. Add deep shading to recesses with a thin mix of Doombull Brown and Abaddon Black .
4. Add some Silver to what remains of your base mix, then highlight.
5. Finally, highlight more selectively with pure Silver .
6. While I had the Gore-grunta Fur out, I also washed the ridged tubing with it at this stage.

Black Weapon Casing

1. Basecoat with Black .
2. Add chunky highlights of Dark Reaper .
3. Fine highlights withal mix of Dark Reaper and Administratum Grey .
4. Selectively highlight with Administratum Grey .

Red Orb

1. Basecoat with 1:1 Khorne Red & Evil Sunz Scarlet .
2. Soft shade with some thin Khorne Red .
3. Deep shade recesses with a small amount of 1:1 Naggaroth Night & Khorne Red .
4. Add chunky highlights with Evil Sunz Scarlet .
5. Apply fine edge highlights with 2:1 Evil Sunz Scarlet and Ice Yellow (or Dorn Yellow .
6. Increase the amount of Ice Yellow in the above mix and more selectively highlight. The ratio should be about 1:2 Evil Sunz Scarlet and Ice Yellow .
7. Finish with specular highlights of Ice Yellow .

Blackstone Crystal

1. Basecoat with Sons of Horus Green .
2. Add general shading with Incubi Darkness .
3. Shade more selectively with 1:1 Incubi Darkness and Abaddon Black .
4. Add chunky highlights with 1:1 Sons of Horus Green and Sybarite Green .
5. Do edge highlights with Sybarite Green .
6. Selectively highlight with Sybarite Green and a little White .
7. Finish with specular highlights of White on corners.