First dial show time by two circle coaxial rotary scales, second dial show by analog.
– Durable stainless steel back & buckle.
– Poly Urethane strap for comfortable wearing.
– Precise quartz movement for accurate time keeping.
– Water resistant up to 3 ATM (Not suitable for swimming, diving, shower etc). Specifications: – Case diameter: 4.9cm (1.93 inch) – Case thinkness: 1.3cm (0.5 inch) – Band length(included the case): 25cm (9.84 inch) – Band width: 2.4cm (0.94 inch)
(Resource from:http://www.dhgate.com)