Mechanical Open Heart Series Watch NH9136-88A Movement Type_Digital + Analogue Features an interchangeable 5-link strap

Features an interchangeable 5-link strap in silver

" which continues to evolve as an advanced high-performance metal chronograph

See-through caseback

Japan Made Quartz Movement

CASE THICKNESS: 7

Mechanical Open Heart Series Watch NH9136-88A Movement Type_Digital + Analogue Features an interchangeable 5-link strapCitizen Mechanical Gent Open Heart collection. It has a power reserve of 40 hours once entirely wound. Additional feature include exhibition case back. A mechanical watch in which the natural motion of the wearer provided energy to wind the mainspring, making mutual winding unnecessary if worn enough. Calibre No: 8229 Case: Stainless Steel Two tone Rose Gold Band: Stainless Steel Two tone Rose Gold Glass: Sapphire Glass Case Size: 40mm Thickness: 10.