Men's wristwatch with a stainless steel case and a dark green color scheme, the brand color of Frederique Constant. This is a Japan-exclusive model, limited to 150 pieces. Frederique Constant FREDERIQUE CONSTANT Classic Index Automatic Heart Beat Japan Limited Men's Watch Swiss Made Automatic FC-310MGRW5B6 While retaining the brand's icon, the Heart Beat, and inheriting the classic design, this Japan-exclusive model has been updated with a sporty touch, including the series' first rubber strap and two-tone color scheme. Movement: Automatic (self-winding) Water resistance: 5 ATM Heart Beat See-through back Japan Limited Model Windshield material: Sapphire crystal glass Case material: Stainless steel Case size: 40 x 40mm Case thickness: 10.5mm Band material: Rubber Band clasp type: Three-fold clasp Band width: 20mm Dial color: Green Weight: 74g New and unused. Manufacturer's suggested retail price: 198,000 yen (including tax) Brand name: Frederique Constant (FREDERIQUE CONSTANT) Movement: Automatic FC-310 Material: Case: Stainless steel Band: Rubber Size: Case diameter: 40mm Case thickness: 10.5mm Weight: 74g Water resistance: 5 ATM Other features: Japan Limited Model 150 pieces Heart Beat Power reserve: 38 hours Frequency: 28,800