Seiko Prospex SBEX001 Hi-Beat Marine Master 1000 Limited Edition Ananta The name says it all:

The name says it all: the Teutonia IV BlueMoon not only has a midnight blue dial

Paired perfectly with a fitted black silicone strap with a rugged three-piece buckle

Function: Small second

Crystal: Scratch Resistant Sapphire

Reference: H77932560

Seiko Prospex SBEX001 Hi-Beat Marine Master 1000 Limited Edition Ananta The name says it all:This is a divers watch worthy of a fifty year anniversary. Its design echoes that of Seikos very first hibeat divers watch from the 1960s, but its specifications are the most advanced in the field. It has a one piece titanium case and, thanks to this, the L shaped gasket and other features, it is impermeable to helium and suitable for saturation diving. The rotating bezel is securely fixed to the case with four screws next to the 12 and 6 oclock