- Code : Q151812A
- Gender : Mens
- Style Number : Q151812A
- Also Called : Q151812A, 151-81-2A
- Series : Master Calendar
- Case : Stainless Steel
- Dial Color : Silver
- Movement : Self winding mechanical (Automatic)
- Functions : Hours, Minutes, Seconds, Moon-phases, Power-Reserve, Date, Day, Month
- Crystal : Sapphire - Anti-Reflective
- Case Diameter : 40.5mm
- Case Thickness : 13.0mm
- Caseback : Transparent Exhibition Display Back
- Bezel Material : Stainless Steel
- BezelFunction : Fixed
- Water Resistance : 50m / 165ft (suitable for showering; not usually suitable for swimming; unsuitable for diving)
- Crown : Stainless Steel - fluted
- Calendar : Date around flange, Day in aperture at 9, Month in aperture at 3
- Watch Bracelet Strap : Stainless Steel
- Watch Clasp : Deployant - Double-folding buckle
- Watch Bracelet Length : 8.25inches
- Watch Bracelet Width : 16.0mm
- Brand : Jaeger-LeCoultre
Jaeger-LeCoultre/Master Calendar/Q151812A