OMEGA · SPEEDMASTER BROAD ARROW · AUTOMATIC · 42MM · STAINLESS STEEL · 3557.50 ·

OMEGA · SPEEDMASTER BROAD ARROW · AUTOMATIC · 42MM · STAINLESS STEEL · 3557.50 · BLACK DIAL · WXO
SpecDetailBrandOmegaModelSpeedmaster Broad Arrow "Olympic Timeless"Reference3557.50MovementAutomatic, Calibre 3303 (column wheel chronograph)Case Size42mmCase MaterialStainless SteelDialBlack, Arabic numerals, arrow markersFunctionsChronograph, small seconds, dateBezelFixed, engraved tachymeterCrystalDomed sapphire, scratch-resistantWater Resistance100m / 330ftConditionPre-owned, ExcellentInclusionsWatch Only (WXO)
Column-wheel Calibre 3303 automatic chronograph movement offers a generous 55-hour power reserve and refined mechanical pedigree.
Distinctive "Broad Arrow" hand-set and bold Arabic numerals give this Speedmaster variant its own visual identity within the family.
Engraved tachymeter bezel and domed sapphire crystal combine vintage-inspired styling with modern durability.
Black dial with balanced sub-dial layout and date window ensures strong legibility across all chronograph functions.
A distinctive Olympic-era Speedmaster reference offering genuine mechanical substance beyond the standard Moonwatch lineup.
Sources:

Omega 3557.50.00 : Speedmaster Broad Arrow Stainless Steel / Black / Bracelet / Olympic Timeless » WatchBase
Omega Speedmaster Broad Arrow Olympic Edition 3557.50