Case

Crystal

Scratch-resistant sapphire

Winding Crown

Screw-down,Twinlock double waterproofness system

Shape

Round

Diameter (in mm)

40

Model Case

Brushed stainless steel case,Monobloc middle case & screw-down case back

Material

904L steel

Water Resistance

100 m (10 ATM, 330 ft)

Bezel

Fixed stainless steel bezel with 24 hour markers

Movement

Precision

Officially Certified Swiss Chronometer (COSC)

Winding

Self-winding

Functions

Center seconds,Date,Hours,Minutes

Movement

Perpetual Mechanical Automatic

Caliber

1570

Bracelet

Bracelet

Flat three-piece links,Stainless steel flat three-piece links oyster bracelet

Clasp

Stainless Steel Deployant Clasp

Material

904L steel

Dial

Color

Black

Indexes

Hour markers

Details

An orange hand to be used as a day/night indicator,Small square hour markers corresponding to the uneven numbers on the fixed bezel,The straight seconds hand got a luminous dot near the tip