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Oris 581.7566.4361

The Oris Big Brown Complication 2004 581.7566.4361-LS "01 581 7566 4361-07 5 19 52" is a 38mm men's automatic watch with a stainless steel case and a silver-white analog dial protected by mineral crystal. It uses a 581 caliber self-winding mechanical movement that cannot be manually wound or hacked (the second hand does not stop when the crown is pulled out). It ticks 8 times per second which gives the second hand a smoother movement than a quartz watch which ticks once per second. The watch should run for up to 38 hours when fully wound and will self-wind when moved.

Model nr. 581.7566.4361-LS
Brand Oris
Gender Men's
Type Automatic
Caliber 581
Beats per Hour 28,800 bph
Power Reserve 38 Hours
Crown Position 03:00
Case Width (mm) 38
Case Thickness (mm) 14
Case Shape Round
Case Material Stainless Steel
Crystal Material Mineral
Water Resistance (meters) 50
Moonphase Yes
Time Types Hours, Minutes, Seconds
Band Material Leather
Band Color Brown
Replaceable Band Yes
Band Width (mm) 19
Dial Color Silver, White
Hour Markings Arabic Numerals, Triangles
Bezel Function Fixed
Bezel Material Gold Plated Steel
Bezel Color Gold
Inner Bezel
Inner Bezel Color Silver, White
On Inner Bezel Bars
Hand Colors
Hour Hand Gold
Minute Hand Gold
Second Hand Gold