“Military” Rolex, “Oyster Precision”, Ref. 6154, case No. 997572. Made in 1954. Exceptionally rare and fine, large, cushion-shaped, water-resistant, stainless steel, military diver's wristwatch with a stainless steel Rolex buckle. Three-body, polished, screwed-down case back, straight lugs, 8 mm Rolex screwed-down winding-crown, dustprotection cap. Black with luminous round and bâton indexes, outer minute divisions. Luminous "baton" hands. Notes Rolex Ref. 6154 The Ref. 6154 is identical in case and movement to the watches supplied by Rolex to Panerai, under the same reference number. The difference between the watch made by Rolex for Panerai and the present model is in the dial. The Rolex dial is a traditional single plate with luminous coated indexes, whereas the Panerai dial is a two-plate dial, the first plate being coated with luminous material and the second plate pierced through for the indexes and numerals. Rolex Ref. 6154 is mentioned in the combined reference booklet sent by Rolex to their various retailers and workshops in the 1950s. To our knowledge only 6 pieces were made of this model; this is the first one.