General Description:
B dials are easily noticeable for the matte blue color and painted “racing”-style hour markers. They came in both OSA and OAS text order. These dials have painted logos and open date windows. These are only found on steel cases.
Dial B1: “Racing Blue OSA”
Color/finish: Matte Blue
Product Family: Seamaster
Subfamily: None
Most commonly seen in ref. 176.001ST
How common? Common
Other Dial Features
Text at 12:00: OMEGA Seamaster AUTOMATIC
Text at 3:00: None
Hour Markers: Painted racing
Logo: Painted
Date Window: Open
6:00 Subdial contrasting color/texture: Black Stepped
9:00 Subdial colors (top/bottom): Blue/Grey
Minute Numerals: Painted on dial
Swiss Made Text: T – SWISS MADE – T
Notes
Identical to B2 except for text order. Less common than B2.
Dial B2: “Racing Blue OAS”
Color/finish: Matte Blue
Product Family: Seamaster
Subfamily: None
Most commonly seen in ref. 176.007ST
How common? Common
Other Dial Features
Text at 12:00: OMEGA AUTOMATIC Seamaster
Text at 3:00: None
Hour Markers: Painted racing
Logo: Painted
Date Window: Open
6:00 Subdial contrasting color/texture: Black Stepped
9:00 Subdial colors (top/bottom): Blue/Grey
Minute Numerals: Painted on dial
Swiss Made Text: T – SWISS MADE – T or SWISS MADE or T SWISS MADE T
Notes
Identical to B1 except for text order. Very commonly seen on multiple references because it frequently is offered as a service dial, but is most correct on ref. 176.007 in steel.