RT831W

● Nyaya Nyaya: SS (18/0 kana 18/8)

● Dial Face: Φ83.1mm

● Temp. Range: -30 kusvika 21°C/-20 kusvika 70°F

● Kururama: ±2.5%

● Nechirauro uso kuruboshwe kana kurudyi

● Lens yegirazi yakadzikama