Start Year
1942
End Year
1947
Jewels
15, 17
rtwatches
Posted April 16, 2016 - 12:16pm
I have a 15j 10BA with a 1944 date code.
Reverend Rob
Posted April 19, 2016 - 12:06pm
From the ETA 900 ebauche, modified balance. Other variations in the family included different bridge shapes and either Breguet or Flat Hairspring.
Features:
Manual wind, sub second
7/15/17 jewels
Data:
10.5'''
Dm= 23.35 mm, H= 3.5mm, F= 1.3mm, T= 1.7mm
18,000 a/H Frequency
41 hour Power Reserve
Mainspring: 1.55 x 9.0 x .10 x 290mm
Hands: 1.40, .80, .22
Specs courtesy Dr. Ranfft
mybulova_admin
Posted February 23, 2021 - 3:49am
1943 Version of the 10BA
Stinky_Sullivan
Posted November 7, 2023 - 9:04pm
17j 10BA with a T (1942) date code symbol
ezaragoza
Posted August 3, 2025 - 9:47pm
10BA - double date code ??? 1944 and 1945
1955mercury
Posted August 3, 2025 - 10:04pm
Fixed the photo for you Ezaragoza.
ezaragoza
Posted August 4, 2025 - 9:39am
In reply to Fixed the photo for you… by 1955mercury
Thank you