The Omega Speedmaster X-33, introduced in 1998 as a modern-day Moonwatch (now 'Mars Watch'), featured a high-tech titanium case and an analog/digital movement with a specific set of functions. Reference 3990.50.36, a first-generation model, has a black Kevlar strap with a folding buckle, distinguishing it from the 3990.50.06, which uses a pin buckle.
Movement Type
Quartz
Caliber
1666Jewels
9
Hands
Small Seconds
Shape
Round
Lug Distance
20.00 mm
Material
Titanium
Glass
Sapphire
Diameter
42.00 mm
Water Resistance
30.00 m
Dial Color
Black