Tissot Heritage 1938 Cosc Heritage Collection Silver Dial Blue Leather Strap Round Men's Watch T1424641603200. Item SpecificationCrystalDomed scratch-resistant sapphire crystal with antireflective coatingResistanceWater-resistant up to a pressure of 5 bar (50m/165ft)MovementSwiss Automatic CollectionHeritageBand MaterialEmbossed Cow Leather, SyntheticBuckle Type Interchangeable quick release bracelet, Standard buckle, Jewellery clasp with safetyCaliber11 1/2'''Power Reserve Power reserve of 38 hoursDial ColorSilverFace StructureRoundLugs20 mmWeight63 gCase OptionSee-through casebackIndexesArabic IndexesCase Width39 mm