This is a 1970s Omega Seamaster Ploprof watch, characterized by its 50mm stainless steel case and aged Seamaster dial with earthy yellow Tritium lume. The watch features a nice bezel with cracks and a nice Tritium hands that have aged to a creamy hue.

• Condition: Pre-owned with wear from use
• Case size: 50mm diameter
• Bracelet type: Omega 1162
• Bracelet links: 162 end links, 22 links

A true dive watch icon, this Omega Seamaster Ploprof Ref. 166.077 remains in its original condition with a factory finish.

• Condition: Original, unpolished condition with a factory finish
• Size: 42mm diameter
• Year: 1970s
• Movement service history: unknown

A vintage Omega Seamaster Ploprof Ref. 166.077 in its original condition, designed for professional divers and featuring a unique character due to its history.

• Condition: Unpolished, original condition with natural patina on the dial
• Diameter: 42mm
• Year: 1970s
• Movement service history: Unknown

This is a 1970s Omega Seamaster Ploprof Ref: 166.077, featuring a very nice 50mm stainless steel case with previous polishing, a nice bezel with cracks, an aged Seamaster dial with some remaining Tritium lume, very nice Tritium hands with wear from age, and a very nice Omega 1162 bracelet.

• Condition: Pre-owned with wear and aging
• Case size: 50mm diameter
• Bracelet links: 162 end links, 22 links total

This is a 1970s Omega Seamaster Ploprof Ref: 166.077, featuring a very nice 50mm stainless steel case, aged Seamaster dial with earthy yellow lume, and a very nice Omega 1162 bracelet.

• Condition: Pre-owned with wear from use and some cracks on the bezel
• Case size: 50mm diameter
• Bezel condition: some cracks
• Lume condition: earthy yellow hue

A true dive watch icon, the Omega Seamaster Ploprof Ref. 166.077 remains in its original condition with a factory finish and features a unique blue dial with natural patina.

• Condition: Unpolished, original condition with factory finish and natural patina on blue dial
• Size: 42mm diameter
• Year: 1970s
• Bezel material: Black Bakelite

This is a 1970s Omega Seamaster Ploprof with a 50mm stainless steel case and an aged Seamaster dial with earthy yellow lume.

• Condition: Pre-owned with wear from use
• Case size: 50mm diameter
• Bezel condition: worn with some cracks
• Dial condition: aged with some Tritium lume still intact

This is a 1970s Omega Seamaster Ploprof Ref: 166.077, a high-end diving watch from the period. The stainless steel case measures 50mm in diameter and has been polished previously, while the bezel has some cracks. The dial has aged to an earthy yellow hue and the crystal shows wear from use.

• Condition: Pre-owned with wear from use
• Case size: 50mm diameter
• Bracelet length: 162 end links + 22 links (Omega 1162)
• Crystal condition: worn