[WTS] Croton Chronomaster Aviator Sea Diver – Valjoux 23 – 1960s Vintage Chronograph

Croton Chronomaster Aviator Sea Diver – Valjoux 23 – 1960s Vintage Chronograph

Croton - Chronomaster Aviator Sea Diver · $2,650
A 1960s vintage chronograph powered by a Valjoux 23 movement, featuring a classic multi-function tool watch design with chronograph, tachymeter, and rotating bezel.

  • Condition: Overall very good vintage condition
  • Movement: Valjoux 23 (manual wind, column wheel chronograph)
  • Case size: 38mm (without crown)
  • Lug width: 20mm
Posted at
May 1, 2026, 12:48 PM
Active
[WTS] Nivada Grenchen Chronomaster Aviator Sea Diver Panda 38mm LNIB $1,200

Nivada Grenchen Chronomaster Aviator Sea Diver Panda 38mm LNIB $1,200

A vintage-inspired chronograph watch with a panda dial, non-interchangeable bezel, and reliable mechanical movement. It features a stainless steel case with double dome sapphire crystal and 100m water resistance.

  • Condition: Like New In Box (LNIB)
  • Case size: 38mm
  • Thickness: 14mm
  • Lug to lug length: 46mm
Posted at
Apr 24, 2026, 8:04 PM
Active
[WTS] Nivada Grenchen Chronomaster Aviator Sea Diver Chronograph circa 1960s

Nivada Grenchen Chronomaster Aviator Sea Diver Chronograph circa 1960s

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
Posted at
Jan 19, 2026, 8:41 PM
Expired
[WTS] Nivada Grenchen Chronomaster Aviator Sea Diver Chronograph circa 1960s

Nivada Grenchen Chronomaster Aviator Sea Diver Chronograph circa 1960s

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
Posted at
Jan 6, 2026, 9:50 PM
Expired
[WTS] Nivada Grenchen Chronomaster Aviator Sea Diver Chronograph circa 1960s

Nivada Grenchen Chronomaster Aviator Sea Diver Chronograph circa 1960s

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
Posted at
Dec 29, 2025, 7:13 PM
Expired
[WTS] 1960's Nivada Grenchen Chronomaster Aviator Sea Diver

1960's Nivada Grenchen Chronomaster Aviator Sea Diver

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
Posted at
Dec 9, 2025, 6:28 PM
Expired
[WTS] Nivada Grenchen Chronomaster Aviator Sea Diver Chronograph circa 1960s

Nivada Grenchen Chronomaster Aviator Sea Diver Chronograph circa 1960s

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
Posted at
Dec 6, 2025, 11:39 AM
Expired
[WTS] Nivada Grenchen Chronomaster Aviator Sea Diver Orange Boy Chronograph

Nivada Grenchen Chronomaster Aviator Sea Diver Orange Boy Chronograph

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
Posted at
Dec 4, 2025, 12:55 PM
Sold
[WTS] Nivada Grenchen Chronomaster Aviator Sea Diver Chronograph circa 1960s

Nivada Grenchen Chronomaster Aviator Sea Diver Chronograph circa 1960s

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.

Posted at
Nov 28, 2025, 9:56 PM
Expired