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145.022 vs 311.30.42.30.01.005

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Specification

Omega

145.022

Speedmaster Professional Moonwatch

Omega

311.30.42.30.01.005

Speedmaster Professional Moonwatch

Production1968–19882014–2021
EraCaliber 861 transitionCaliber 1861 (final)
Statusdiscontinueddiscontinued
Case diameter42mm42mm
Case materialStainless steelStainless steel
BezelTachymeter (dot-over-90 on early examples)Tachymeter
Bezel materialBlack aluminiumBlack aluminium
CrystalAcrylic (Hesalite)Acrylic (Hesalite)
Caseback typeScrew-down solid, engraved
Water resistance50m50m
DialBlackBlack
Dial text'Professional'; stepped and flat dial variants
HandsStraight (baton)Straight (baton)
LumeTritiumSuper-LumiNova
Lume typeTritiumSuper-LumiNova
MovementManual chronographManual chronograph
Caliber8611861
ManufacturerOmega (Lemania base)Omega (Lemania base)
Windingmanualmanual
Power reserve~48 hours
Frequency21,600 vph
Jewels17
ComplicationsChronograph, tachymeterChronograph, tachymeter
FunctionsChronograph, tachymeter
BraceletSteel