SEIKO
SEIKO
Prospex Marine Master Professional 300M "TUNA"
Steel diving watch. 1990s.
Black dial, round luminescent hour markers, luminescent hands.
Day and date window at 3 o’clock, with two languages (Japanese and English).
Unidirectional rotating bezel with graduations.
Screw-down, off-center winding crown at 4 o’clock.
Quartz movement.
Case with a screw-down steel caseback.
Diameter: 47 mm
Condition report: functional as is, broken strap, scratches from normal wear
SEIKO
Prospex Marine Master Professional 300M "TUNA"
Steel diving watch. 1990s.
Black dial, round luminescent hour markers, luminescent hands.
Day and date window at 3 o’clock, with two languages (Japanese and English).
Unidirectional rotating bezel with graduations.
Screw-down, off-center winding crown at 4 o’clock.
Quartz movement.
Case with a screw-down steel caseback.
Diameter: 47 mm
Condition report: functional as is, broken strap, scratches from normal wear
