Well there's been some clever programming on the TimeFactor's iPhone app. Have a look at these shots of the PRS-18Q...
http://www.dkpw.co.uk/tzuk/img_0552.png
...
Type: Posts; User: dkpw
Well there's been some clever programming on the TimeFactor's iPhone app. Have a look at these shots of the PRS-18Q...
http://www.dkpw.co.uk/tzuk/img_0552.png
...
They do say the Tunas' movements are especially geared to cope with the hands and IIRC the water pressure.
I look on drift as a fact of life with many quartz movements. Of my quartz purchases a Tag 1500, a Seiko BFK and Seiko SBCM023 were all bang on, whereas my-former PRS-10 and Ray Wong diver both had...