1957 Omega Speedmaster Broad Arrow Mens Black

1957 Omega Speedmaster Broad Arrow Mens Black Koakusharu 321.10.
Model: OM321.10.42.50.01.001/1

Model 50's birth anniversary Speedmaster

Manufacturer Part 321.10.42.50.01.001
Self-winding chronometer movement (automatic)
Dial Color: Black
Case: Silver
Bezel: Silver
Belt: Silver
Stainless steel material, sapphire glass
100m water resistant waterproof
Face diameter approximately the size horizontal 42mm (excluding crown)
Thickness of about 14mm, weighs 175g,
about 18mm ~ approx 20mm wide belt
about arms around 14.5cm ~ Approximately 19.5cm
Specifications tachymeter, chronograph, calendar function (date), the skeleton back Koakusharu
1957 Omega Speedmaster Broad Arrow Mens Black