Product Description
- Case: Jewelry-grade stainless steel.
- Size: 45mm in diameter. 49mm across the crown.
- Movement: Miyota OS90 professional grade chronograph.
- Precision: 1/100 second super runner second hand.
- Lens: Saphire coated.
- Leather: two part genuine leather.
- Crown: screw in.
- Water resistant to 5ATM.
- Invented in USA. Made in China.
- Warranty 5 years on movement and hands.
The large second hand is used to measure the stroke rate of a passing crew.

