Longines Spirit Zulu Time GMT Green vs Tudor Black Bay GMT S&G Root Beer

SpecificationLongines Spirit Zulu Time GMT GreenTudor Black Bay GMT S&G Root Beer
BrandLonginesTudor
CollectionSpiritBlack Bay
ReferenceL3.812.4.63.6M79833MN-0001
CategoryGMTGMT
Movement TypeAutomaticAutomatic
CaliberL844.4MT5652
Power Reserve72h70h
Frequency25,200 vph28,800 vph
Case Diameter42.0mm41.0mm
Case Thickness13.5mm14.8mm
Case MaterialStainless SteelStainless Steel and 18k Yellow Gold
CrystalSapphireSapphire
Water Resistance100m / 328ft200m / 656ft
Weight155g175g
MSRP$2,425$5,400
Market Price$2,250$4,500

In-Depth Comparison

The Longines Spirit Zulu Time GMT Green and the Tudor Black Bay GMT S&G Root Beer represent two compelling options in the luxury watch market. Both timepieces have earned devoted followings among collectors and enthusiasts, but they approach horology from distinctly different perspectives. Let's break down how these two watches compare across the key dimensions that matter most to buyers.

Heritage And Brand Prestige

Longines and Tudor are both highly respected names in watchmaking. Both watches hail from Switzerland, benefiting from the region's deep horological tradition. This particular Spirit reference was introduced in 2023, while this Black Bay reference debuted in 2019. The Longines Spirit Zulu Time GMT Green is the newer release, potentially featuring more modern technology and finishing.

Movement And Mechanics

At the heart of the Longines Spirit Zulu Time GMT Green beats the L844.4 caliber offering a 72-hour power reserve running at 25,200 vph with 25 jewels. The Tudor Black Bay GMT S&G Root Beer is powered by the MT5652 with a 70-hour power reserve operating at 28,800 vph featuring 26 jewels. The Longines Spirit Zulu Time GMT Green wins on power reserve with a 2-hour advantage, which means less frequent winding for those who rotate watches.

Dimensions And Wearability

The Longines Spirit Zulu Time GMT Green features a 42.0mm case at 13.5mm thick with a 49.0mm lug-to-lug measurement, crafted in Stainless Steel. The Tudor Black Bay GMT S&G Root Beer comes in at 41.0mm and 14.8mm thick with 50.0mm lug-to-lug, constructed from Stainless Steel and 18k Yellow Gold. The Tudor Black Bay GMT S&G Root Beer wears more compactly on the wrist, making it potentially more suitable for smaller wrists or those who prefer understated proportions. At 155g, the Longines Spirit Zulu Time GMT Green is the lighter of the two.

Materials And Construction

The Longines Spirit Zulu Time GMT Green uses a Sapphire crystal paired with a Bidirectional rotating, 24-hour ceramic insert green/black bezel, while the Tudor Black Bay GMT S&G Root Beer features Sapphire crystal with a Bidirectional rotating, brown/black aluminum insert bezel. On the wrist, the Longines Spirit Zulu Time GMT Green comes on a Stainless steel bracelet with Folding clasp with push-button release, while the Tudor Black Bay GMT S&G Root Beer is fitted with Stainless steel and 18k yellow gold riveted bracelet featuring Folding clasp with safety lock.

Water Resistance And Capability

The Longines Spirit Zulu Time GMT Green is rated to 100m / 328ft and the Tudor Black Bay GMT S&G Root Beer to 200m / 656ft. For water sports and diving, the Tudor Black Bay GMT S&G Root Beer provides superior depth capability.

Pricing And Value

At retail, the Longines Spirit Zulu Time GMT Green lists for $2,425 compared to $5,400 for the Tudor Black Bay GMT S&G Root Beer. The Longines Spirit Zulu Time GMT Green is the more accessible option at MSRP, saving $2,975 at retail. On the secondary market, the Longines Spirit Zulu Time GMT Green trades around $2,250 while the Tudor Black Bay GMT S&G Root Beer commands approximately $4,500.

The Verdict

Choosing between the Longines Spirit Zulu Time GMT Green and the Tudor Black Bay GMT S&G Root Beer ultimately comes down to personal priorities. For value-conscious buyers, the Longines Spirit Zulu Time GMT Green delivers excellent quality at a lower price point. Both watches are exceptional timepieces that will serve their owner well for generations. We recommend trying both on the wrist at an authorized dealer before making your final decision, as comfort and emotional connection are ultimately just as important as specifications.