Basic Functions: Central hr, Central min, Central sec

Complications:

Date pointer

Water resistance: 50m, 5bar

Case material: Stainless steel

Case size: 40 mm

Thickness: 11 mm

Bezel: N/A

Crystal: Sapphire, AR coating

Caseback: see-through

Sellita SW221-1

Winding type: automatic

Swiss made

41 hours Power Reserve

Frequency - Variations per hour: 4Hz - 28800 V/h

26 jewels

Diameter: 25.6mm,

Thickness: 5.05mm

Dial color: Black