Red 24-Hour Ring

Oyster Perpetual Bubbleback 2940 — Red 24-Hour Ring

Undated

Silvered dial with a minute chapter ring and a 24-hour ring printed in red towards the centre (1946).

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Identifying details

Bubbleback caseback
Strongly domed screw-down caseback housing the thick early Perpetual rotor movement.
24-hour dial track
Additional 1–24 or 13–24 hour scale printed on the dial.

Switch between variants of this reference. The current variant is highlighted.
Variant	Production
Steel and Gold, Gold Hooded Lugs	Undated
Sector Dial	Undated
Red 24-Hour RingCurrent	Undated
Copper Chapter Ring	Undated

Unknown attributes are left out rather than guessed.