Nivada Chronomaster Aviator Sea Diver 85017

fantastic look - unpolished case - Valjoux 23

Description
Nivada Chronomaster Aviator Sea Diver 85017 is a rare and sought-after vintage chronograph from the 1960s with a complicated dial and Valjoux 23 movement.

The Nivada watch brand was founded in Grenchen, Switzerland in 1926. The company achieved great popularity in the 1950s and 1960s. During this time, Nivada developed professional timepieces that served a purpose. The Chronomaster Aviator Sea Diver model is one of the most successful and well-known chronographs from the 1960s. The model’s name already emphasizes that this wristwatch can be used in the air as well as under water. A diver is happy about the big minuten numbers on the rotating bezel and a pilot can read the time in a second time zone thanks to the hour numerals on the bezel. The full reference of the present chronograph is 85017/4773 and it comes from the late 1960s.

The chronograph has a 30-minute counter with a red 15-minute yachting sector. The central chrono second hand is orange. A sub-dial with running seconds is located at 9 o'clock. The watch also has a tachymeter scale up to 600 units per hour. The dial bears the Nivada logo at 12 o'clock and is signed with "CHRONOMASTER AVIATOR SEA DIVER" and "T SWISS" at 6 o'clock. The hour markers and hands glow under UV light and fade away after less than 2 seconds indicating the originality of the tritium lume. The black surface of the dial is in excellent condition and has no defects worth mentioning. The black bezel, which is so fragile with most vintage watches, has hardly any scratches and is beautifully preserved.

The unpolished stainless steel case of this watch is a highlight in itself. The beveled lugs have been able to retain their original shape to this day. Slight signs of wear make the case honest and authentic. Both the winding crown and the case back bear the Nivada logo. The engravings on the bottom are completely intact.

Mechanically this Nivada Chronomaster belongs to the highest league of vintage chronographs. The reliable Valjoux 23 caliber, known for its accuracy, is the heart of this chronograph. It operates flawlessly in all functions and ensures an accurate time keeping.

The watch is accompanied by a beautiful and light-weight vintage stainless steel bracelet that sits very comfortably on the wrist.

Overall, this Nivada Chronomaster is a fantastic vintage chrono from the 1960s with a complicated dial and reliable mechanics.

Int.Exe.: 50925
Features

Manufacturer: Nivada

Model: Chronomaster Aviator Sea Diver

Reference: 85017

Functions: chronograph - small second - luminous hand - rotating bezel - tachymeter - screwed-on caseback

Material: Stainless steel

Dial: black

Watch glass: plexiglass

Bracelet: stainless steel

Type of clasp: deployant buckle

Diameter: 38mm

Caliber name: Valjoux 23

Movement type: manual wound

Year of Manufacture: 1969

Overall condition: 9 - has rarely been worn - unpolished

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