IWC Big Ingenieur Chronograph IW378405IW378405 IWC BIG INGENIEUR CHRONOGRAPH MEN'S WATCH Store Display Model (What's This?) With Manufacturer Serial Numbers Swiss Made Silver Dial Chronograph & Date Features Self winding Automatic Movement Sapphire Crystal Exhibition Case Back 68 Hour Power Reserve 3 Year Warranty Guaranteed Authentic Stainless Steel Case Black Leather Strap with Pattern Scratch Resistant Sapphire Crystal Manufacturer Box & Manual 120 Meters 400 Feet Water Resistant 45.

42mm x 26mm = 1 5/8" x 1" Case

this timepiece is both durable and stylish

Featuring a beautiful blue dial adorned with Roman numeral hour markers

Featuring a 28mm case

Slate Grey Wimbledon Dial

Its round polished stainless steel case and Prestige bracelet exude elegance and style

Perfect for everyday wear

001 is a high-quality timepiece designed for the modern man

Also Known As BaumeMercier Model # 10086

Arabic 6 and 9 Applied Numeral Markers

90 Hour Power Reserve

Numbered out of 500 Made