SPEEDMASTER '57 Black 40.5mm

FEATURES

• Anti‑magnetic

• Chronograph

• Chronometer

• Date

• Master Chronometer Certified

• Small seconds

• Tachymeter

• Time zone function

• Transparent case back

• Between lugs: 20 mm
• Case: Steel
• Case diameter: 40.5 mm
• Water resistance: 5 bar (50 metres / 167 feet)

• Dial color: Black
• Crystal: Scratch‑resistant sapphire crystal with anti‑reflective treatment on both sides

• Strap type: Leather strap
• Strap color: Brown
• Strap surface: Non‑grained calf leather
• Strap underside: Non‑grained calf leather
• Buckle type: Pin buckle
• Buckle material: Stainless steel