No Bluetooth function on either of them.

Works fine in the UK.

The Seiko SBTM339 fits the bill. Available from Sakura Watches, Japan.

Two absolutely stunning watches! They have now brought out the Seiko SBTM339 which is being released today. It's similar to the SBTM321 but is all titanium. Available from Sakura Watches, Japan. Not available in the UK.