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Case: 40mm across by 48mm lug to lug - Heavy Well-Constructed Polished Stainless Steel Construction. Crown and four reset push buttons for the Year, Month, Day and Date 'quick set' functions. The screw on rear case features a skeleton back (see through) design and is marked Germany, Stainless Steel, 5 ATM, Water Resistant, and T21457S.
Dial: Beautiful and Sophisticated Design - Black Gloss Background with eye-catching square patterns. It has a Perpetual Calendar (dual circular windows) below the 12 o'clock position (that are controlled by push buttons on the case - and include the very desirable 'quick set' feature.) It has a "Year" window above the 6 o'clock marker. It is marked Theorema, and Germany. The hour and minutes hands are silver colored dauphine style. The sweeping seconds hand is a sleek styled silver color. The hour markers are silver Arabic Numerals that have arrow tips at all positions. It features 3 sub-dials for the Day, Date and Month.
Movement: 35 Jewel Automatic.
Band/Strap: 20mm Genuine Leather with Stitching around the edges, Black Crocodile Patterned, Marked Theorema, Echt Leder, and a chrome buckle that is signed Theorema.
Comments: This super nice looking Perpetual Calendar German wristwatch. It is a large and very desirable piece that not only looks great but works great as well.
Item ID: WNS-MDN-5011
Theorema (Trias) - Large Sophisticated all Stainless Steel Perpetual Calendar Wristwatch with a Gloss Jet Black Dial, Perpetual Calendar double circular window, 3 Sub-Dials, Date Window, Year Window, a Skeleton (See Through) Back, and a 35 Jewel Automatic Movement - (circa 2000s)