OMEGA
304.30.43.52.06.001 Speedmaster
Round
Scratch‑resistant sapphire crystal with anti‑reflective treatment on both sides
Steel
blue ceramic bezel ring with white enamel tachymeter scale
43 mm
21 mm
5 bar (50 metres / 165 feet)
13.6 mm
Grey
18K white gold indexes
blue-coated hour/minute hands; blue-coated subdials hands in 18K white gold
60 hours
Manual‑winding
OMEGA 9914
Steel
Foldover clasp with comfort setting