The Tudor Hydronaut is a very sturdy watch for every day use, incredibly well built and very comfortable bracelet. The watch was acquired years ago by a friend from a closing local shop, gave it to his dad and now was offered again to me. The watch comes with full links and original blank card.
 
Details:
Make: Tudor
Model: Hydronaut II
Reference: 20040
Year: 2000's
Material: Stainless Steel
Dimensions: 40mm
Crystal:  Sapphire Crystal
Movement: Automatic Wind
Bracelet/Strap: Original Bracelet
Lug Width: 21mm
Box/Papers: No/Yes