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RL517 BN Harley (Ronda) Watch Movement 3 hands (120/70/20), day @ 3, date @ 3, white on black back ground, H1, (hour wheel 1.75 mm), swiss, nickel, total height 4.45 mm, total height 4.40 mm, cell 371. RL517 BN 11 ½ ligne, 25.60 mm (dia.), 3.00 mm (height).