1977 Nobreza Automatic ETA 2783 25 Jewels
Brand
Nobreza
Series
Automatic
Catalogue Reference
6034
Production Year
1977
Movement Type
Automatic (Self-Winding)
Style
Casual Watch
Date
A feature that displays the current day of the month, typically in a small window on the dial, commonly placed at the 3 o'clock or 6 o'clock position.
Automatic
A watch powered by automatic (self-winding) movement that doesn't require a battery. It winds itself using the daily usage motion of the wearer's wrist.
Case
Diameter
36 mm
Thickness
12 mm
Material
Stainless Steel - Gold plated
Water Resistance
Waterproof up to 40 M / 130 feet
Finishing Details
Polished
Bezel
Inner graduated bezel
Crown Type
Push/Pull
Crystal
Acrylic
Caseback
Details Engraved
Dial
Color
Brown
Dial Markers
Baton Indeces
Finishing Details
Metallic
Luminiscent Indexes
Hands and Markers (Trititum)
Calendar
Date display at 3 o'clock position
Bracelet
Material
Leather
Buckle Type
Standard Buckle
Width
18 mm
Color
Brown
ETA 2783
The ETA 2783, which debuted around 1974, is a direct relative of the caliber family of the ETA 2824.
The main difference is at the escapement system: The ETA 2783 runs at 21600 A/h while the ETA 2824 runs at 28800 A/h and uses the ETAChron fine regulator.
Movements beating at 21600 A/h:
- 2750 / 2770, 2776: no date
- 2752 / 2772: date
- 2753 / 2773: date, precision regulator
- 2758 / 2778: day, date
- 2759 / 2779: day, date, precision regulator
- 2761 / 2781: quick set date, high
- 2762 / 2782: quick set date
- 2763 / 2783: quick set date
- 2763-F6 / 2783-F6: quick set date, digital
- 2768 / 2788: day, quick set date
- 2769 / 2789: quick set day and date
- 2769-1 / 2789-1: quick set day and date, double-language
Movements beating at 28800 A/h:
- 2751 / 2771: no date
- 2754 / 2774: date
- 2760 / 2780: day, date
- 2764 / 2784: quick set date
- 2790 : quick set day and date
- 2790-1: quick set day and date, double-language
- 2791: quick set date, high
Manufacturer
ETA
Model
2783
Type
Automatic (Self-Winding)
Frequency
21600 A/h
Jewels
25 (Twenty-Five) Jewels
Reserve
47 Hours
Functions
Date, Hours, Minutes, Sweep Seconds, Quick date set and bi-directional winding