Accuracy: ±10 seconds/year Photovoltaic: 5 months Water resistance: Waterproof for daily life Glass: Sapphire glass (anti-reflective coating) Case: Super Titanium, Band: Super Titanium Additional specifications: Nickel-resistant Details: With a thin 6mm case and a high precision of ±10 seconds per year, this elegant model has a unique presence. This dress watch has a 6mm-thick case and is Eco-Drive with an annual difference of ±10 seconds. The Cal.G530 is only available in the Exceed series. The all-Roman numeral indexes express the elegant worldview of EXEED. The multi-row metal band creates an elegant look that is typical of a dress watch.