Bertucci A-1S Field Watch White/SS-Olive Band 10013 The A-1S Field features a traditionally sized 36 mm brushed stainless steel case... a classic based on its simplicity in function. The military style dial features 12 and 24 hour markings, gloss finish and easy to read high contrast colors. The A-1S Field offers essential function, simple styling, high value and long lasting durability. Specifications: - Equipped with our legendary U.S. Patented solid stainless steel Unibody™ case for extreme durability and comfort - Durable screw down crown & case back - Hardened mineral glass crystal - All-metal Japan made quartz movement - Active Comfort™ ergonomic 4 o’clock crown does not impinge wrist movement - Swiss super luminous hands & markers - 12/24 hour markings dial - Integrated unbreakable stainless steel band retention lug bars - 100 M water resistance - Long lasting U.S. Patented B-TYPE Heavy-Duty Zulu nylon webbing band - One size fits all - 3 year battery life