Zodiac Aerospace GMT: Difference between revisions

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[[File:Aerospace.jpg|thumb]]
[[File:Aerospace.jpg|thumb]]
==Zodiac Aeronaut and Aerospace GMT==
==Zodiac Aeronaut and Aerospace GMT==
Standard 3-hander watch with additional 24hr hand which rotates once every 24 hours around dial. Combined with rotating uni-directional 24hr bezel it offered a GMT-setting option. It was first seen around 1962.  
Standard 3-hander watch with additional 24hr hand which rotates once every 24 hours around dial. Combined with rotating uni-directional 24hr bezel it offered a GMT-setting option. It was first seen around 1962. The calibre 75 had a 24-hour function and was used in the GMT.  Some GMT models had a 24 hour movement marked 70-72. Later GMT watches used the calibre 75B with a quickset date function which involved pushing the crown, a counter-intuitive move.
 
  Note all GMT cases have chamfered bezels which distinguish them from otherwise identical Seawolf cases  
  Note all GMT cases have chamfered bezels which distinguish them from otherwise identical Seawolf cases  
There are many versions of the GMT.  
There are many versions of the GMT.  
Ref: 925
Ref: 925
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*trapezoid date window
*trapezoid date window


===Version Ia -First Aerospace GMT 1762===
===Version 2a -First Aerospace GMT 1762===
* Ref 752.925
* Ref 752.925
* Cal: Zodiac 75
* Cal: Zodiac 75
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*thick hands with dial version iii.
*thick hands with dial version iii.


===Version Ib -Gold Bezel Aerospace GMT 1780 and 1779===
===Version 2b -Gold Bezel Aerospace GMT 1780 and 1779===
* Ref 752.925 LO
* Ref 752.925 LO
* Cal: Zodiac 75
* Cal: Zodiac 75
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* solid gold bezel
* solid gold bezel


===Version -Bezel Colour Variations 1870 ===
[[File:Zodiac pepse.jpg|thumb|Pepsi bezel]]
===Version 3 - Bezel Colour Variations 1870 ===
* Ref 752.934, 752.834 and 752.984
* Ref 752.934, 752.834 and 752.984
* Cal: Zodiac 75 or 75B
* Cal: Zodiac 75 or 75B
* 2 dial colours - black and white with thick square markers
* 2 dial colours - black and white with thick square markers
* thick square hands with pencil second hand or squared-lume end
* thick square hands with pencil second hand or squared-lume end
*Multiple bezel colour variations including Pepsi and Coke-pink style, maroon, black and green, black and blue. black and grey etc.  
*Multiple bezel colour variations including Pepsi and Coke-pink style, maroon, black and green, black and blue. black and grey etc. Unidirectional friction or spring-loaded
*Bezels are plastic insert, metal grooved edge bezel - NOT bakelite as often described.  
*there is a rare Arabic dial and bezel version
*there is a rare Arabic dial and bezel version


===Version 3
===WorldTime Version 752-934B ===
A rare World timer bezel and unique dial on GMT base. [[Zodiac WorldTime|See here for more about this model]].
 
[[File:Zodiac gmt quartz.jpg|thumb]]
===Version 4 - The Quartz Models===
* Released in the 1990s.
* Ref 806 (man) and 813 (woman)
* Pepsi bezel (red and blue), Root beer (brown and gold) and gold on black
* Quartz movement with date
* Dial with white or gold print


==Other Zodiac Models==
==Other Zodiac Models==

Latest revision as of 18:14, 17 May 2020

Zodiac Aeronaut and Aerospace GMT

Standard 3-hander watch with additional 24hr hand which rotates once every 24 hours around dial. Combined with rotating uni-directional 24hr bezel it offered a GMT-setting option. It was first seen around 1962. The calibre 75 had a 24-hour function and was used in the GMT. Some GMT models had a 24 hour movement marked 70-72. Later GMT watches used the calibre 75B with a quickset date function which involved pushing the crown, a counter-intuitive move.

Note all GMT cases have chamfered bezels which distinguish them from otherwise identical Seawolf cases 

There are many versions of the GMT. Ref: 925

Version I - The Aeronaut Style 1762

V1 Aeronaut GMT showing chamfered lugs
  • Ref 752.925 and 752.925LO (solid gold bezel version)
  • Cal: Zodiac 75
  • 2 dial colours - black and white
  • plated brass bezel, single colour with green triangle to top
  • thin hands with red tipped 24hr hand
  • trapezoid date window

Version 2a -First Aerospace GMT 1762

  • Ref 752.925
  • Cal: Zodiac 75
  • 2 dial colours - black and white
  • 3 dial versions i)rectangular ii) double markers iii) thick markers
  • plated or plated and split-painted bezel, with green triangle to top
  • thin hands with red tipped 24hr hand for versions i) and ii) above.
  • thick hands with dial version iii.

Version 2b -Gold Bezel Aerospace GMT 1780 and 1779

  • Ref 752.925 LO
  • Cal: Zodiac 75
  • 2 dial colours - black and white
  • solid gold bezel
Pepsi bezel

Version 3 - Bezel Colour Variations 1870

  • Ref 752.934, 752.834 and 752.984
  • Cal: Zodiac 75 or 75B
  • 2 dial colours - black and white with thick square markers
  • thick square hands with pencil second hand or squared-lume end
  • Multiple bezel colour variations including Pepsi and Coke-pink style, maroon, black and green, black and blue. black and grey etc. Unidirectional friction or spring-loaded
  • Bezels are plastic insert, metal grooved edge bezel - NOT bakelite as often described.
  • there is a rare Arabic dial and bezel version

WorldTime Version 752-934B

A rare World timer bezel and unique dial on GMT base. See here for more about this model.

Version 4 - The Quartz Models

  • Released in the 1990s.
  • Ref 806 (man) and 813 (woman)
  • Pepsi bezel (red and blue), Root beer (brown and gold) and gold on black
  • Quartz movement with date
  • Dial with white or gold print

Other Zodiac Models

Links

External Links

www.vintagezodiacs.com