The 42-20 Tide Watch by Nixon is the little brother to the 51-30. It features custom 3 hand Swiss movement with an easy to read tide subdial. The case is stainless steel with a hardened mineral crystal face and external rotating bezel. The crown is at the 9:00 position next to the quick adjust button for easy setting of the tide subdial. The band is solid stainless steel with a brushed finish and a double locking clasp. Tested to 200m depth. Product ID# 259589.