A vintage Nivada Grenchen Chronomaster Aviator Sea Diver Chronograph from the 1960s, featuring a manual Valjoux movement and a unique combination of functions for a diver, pilot, and chronograph.

• Condition: Pre-owned/Used
• Movement: Valjoux
• Case size: 38.5mm
• Lug width: 20mm

A vintage Nivada Grenchen Chronomaster Aviator Sea Diver Chronograph from the 1960s, featuring a manual Valjoux movement and bi-directional friction bezel.

• Condition: Pre-owned, no service history
• Case size: 38.5mm
• Lug width: 20mm
• Movement type: manual Valjoux

This Nivada Grenchen Chronomaster Aviator Sea Diver Chronograph is a rare find, featuring a robust manual Valjoux movement and a unique design with tritium on the dial. The watch has been aged to perfection and retains its original charm.

• Condition: Pre-owned (circa 1960s)
• Case size: 38.5mm
• Movement accuracy: -1 to -7 sec/day (regulated)
• Lug width: 20mm

A 1960's Nivada Grenchen Chronomaster Aviator Sea Diver is up for sale in wonderful condition, with full service and seals replaced.

• Condition: wonderful condition
• Bracelet: Original NOS bracelet
• Crystal: Original crystal but has had scratches polished off
• Case: A few scratches on the case from use

A circa 1960s Nivada Grenchen Chronomaster Aviator Sea Diver Chronograph featuring a robust manual Valjoux movement, bi-directional friction bezel, and tritium on the dial. This era of time pieces combines utility with charm.

• Case size: 38.5mm
• Movement type: manual Valjoux

This is a mechanical hand wound Nivada Chronomaster Aviator Sea Diver Orange Boy Chronograph in mint condition, with very minor strap changing marks on two of the lugs.

• Condition: Mint condition
• Model type: Mechanical hand wound

A Nivada Grenchen Chronomaster Aviator Sea Diver Chronograph from the 1960s featuring a manual Valjoux movement and unique design elements such as brad arrow hands, recessed sub dials, and a bi-directional friction bezel.

This era of time pieces has a lot to offer as they appeared to make the all-in-one utility tool: diver, pilot, chronograph. The charm is evident in the brad arrow hands, recessed sub dials and the dash of red 30 minute subdial for timing regattas—extra sauce—the tritium on the dial has aged a perfect golden pie hue and the bi-directional friction bezel, showing 60-minute elapsed time as well as a GMT function is faded from rotation.

• Condition: Used circa 1960s (no service history)
• Case size: 38.5mm
• Lug width: 20mm
• Movement type: Manual Valjoux