Umi U-737

Patented design.

Movement:

  • Japan Time Module (Seiko) Automatic Movement Cal. NH35A
  • Manual/Automatic winding
  • 24 jewels
  • 21,600 vibrations per hour
  • more than 41 hours power reserve

Hands:

  • Lumed Hour, Minute, and Second hand
  • Hacking seconds

Case:

  • 44mm diameter
  • 15mm thick
  • 103g without straps
  • 316L Stainless Steel
  • Brushed finishing
  • 120-clicks unidirectional turning bezel
  • See through Screw-down 316L Stainless Steel bottom cover with Sapphire Crystal

Dial:

  • Lumed index
  • Date

Crown:

  • Screw-in crown

Crystal:

  • Sapphire Crystal with anti-reflection coating

Water Resistant

  • 300m/990ft (30ATM) Water Resistant

Straps:

  • 22mm width
  • One set of rubber straps
  • One set of nylon velcro straps
  • One set of paracord strap with multi-tools buckle
© Background photo by Defence Images.