Oris Automatic Cal 674 (ETA 7750)

Case material:

Stainless Steel

Ref 7521-44


Here we have a sporty chronograph with a rubber black bezel, two tone dial, steel polished hour markers and bold lume filled hands. The case measures 44mm (widening towards the base). The movement (ETA 7750 typically comes with a day and date function though Oris have modified this movement to remove the day and only have a day wheel at 3. 


The dial has 3 sub registers, a running seconds at 9, 30 minute counter at 12 and 12 hour timer at 6. The rubber beel sits on a brushed steel case, which has a polished case back and exhibition display to the centre. 


Inside the watch is an ETA (valjoux) 7750. This is a well known movement that has proved massively popular among the watchmaking industry. This came along in the early 70s and is still being produced today. 


This comes on it's black rubber strap with a steel deployant clasp. This has been cut down to fit a 7 inch wrist. 


The classic red rotor can be seen through the exhibition case back.


Technical Details

This watch uses the ETA cal 7750.

This has 25 jewels and a 42 hour power reserve.

Frequency of 28,800bph.


Condition Report

The watch is in very good overall condition with the case showing very minimal wear. There is a small scratch to the crystal at 3 and some light marks to the case back crystal too. Rubber strap in very good codition with no cracks, splits or damage.


Oris TT1 Chronograph Automatic

  • If you are not local to us, we are happy to post your watch to you, fully insured next day delivery at buyers expense (between £8 and £12).

  • While all care is taken to ensure every watch functions perfectly well, occassionally when worn on the wrist they can behave slightly differently. If any issues occur within the 30 days after purchase we are happy to refund or repair the watch hassle free.