Replica Omega Speedmaster Hand Wound SeriesOmega Speedmaster Professional Moonwatch Plexi / See-Through / Leather (3872.50.31)

Brand: Omega Replica
Series: Speedmaster Hand Wound
Model: 3872.50.31
Dial Color: Black
Dial Indexes: Stick / Dot
Dial Hands: Stick
MBrand:Omega
Caliber:1863
Base:Omega 1861
Display:Analog
Diameter:27.00 mm
Jewels:18
Reserve:48 h
Frequency:21600 bph
Time:Hours, Minutes, Small Seconds
Chronograph:Chronograph
Luxury version of the 1861. Replacement for the 863.
Case Material:Stainless steel
Case Glass:Plexi
Case Back:Open
Case Shape:Round
Case Diameter:42.00 mm
Case Lug Width:20.00 mm
Bezel:Tachymeter
W/R:50.00 m
This version of the Omega Speedmaster Professional, reference 3872.50.31, has a plexi glass front while the back is fitted with a sapphire glass. The leather strap distinguishes it from the more common 3572.50.00. It was replaced by the 'sapphire sandwich' in 2004.