TourbillonVault

Rolex · Automatic

Caliber 1055b

Second generation Rolex Day-Date movement; altered 1055. 7.1mm high instead of 7mm. Introduced around 1957

Technical Specifications

Winding

Automatic

Frequency

18,000 vph (2.5 Hz)

Jewels

25

Diameter

28.5 mm

Watches with this movement(2)

Rolex - 6612B Day-Date 6612B

Rolex

Rolex - 6612B Day-Date 6612B

Ref. 6612B · 36 mm

Rolex - 6611 Day-Date 6611

Rolex

Rolex - 6611 Day-Date 6611

Ref. 6611 · 36 mm

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Cal. 2235Automatic

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