A. Lange & Söhne Extremely Rare German Military

A. Lange & Söhne Extremely Rare German Military Watch With Mirrored Seconds, circa 1940
Case: matte nickel, three body, No. 210930, 65 mm, oversize crown, snap back
Dial: matte black, white Roman hour chapters, outermost second marks and five second numerals, inner ring calibrated for mirrored seconds from 0 to 60, luminous broad diamond form hands, hack center seconds
Movement: gilt, 3/4 plate, No. 210930, caliber 48, straight line lever escapement, bi-metallic compensation balance, micrometric regulator with swan's neck spring, hack center seconds
Band: extra long military style leather band with steel buckle
Signed: movement and dial signed A. Lange & Söhne Glasshütte

Note: This scarce military timepiece is part of an exceedingly small series of observation watches ordered for a special unit of Germany's armed forces. It is fitted with a larger case and a different dial layout than the standard issues. For photographic purposes the seconds scale was mirror inverted.

Type: A. Lange & Söhne Extremely Rare German Military Watch With Mirrored Seconds
Dial: black, white painted numerals
Hands; luminous broad diamond hands
Metal: matte nickel
Case No: 210930
Case Info: massive, three body, snap back
Case Width: 65 mm
Crystal: glass
Watch Movement: gilt, 3/4 plate, No. 210930, caliber 48, straight line lever escapement, bi-metallic compensation balance, micrometric regulator with swan's neck spring, hack center seconds
Band: over length military leather band
Circa: 1940
Condition: case is good, dial is very good, movement is good and running, scratch on the movement plate by the main winding gear