Side by side

Tudor Black Bay One 31 S&GvsLongines LONGINES SPIRIT ZULU TIME TITANIUM

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Black Bay One 31 S&G
TudorBlack Bay One 31 S&G
MSRP $6,850
LONGINES SPIRIT ZULU TIME TITANIUM
LonginesLONGINES SPIRIT ZULU TIME TITANIUM
MSRP $4,850

At a glance

12 of 29 specs differ
Diameter
Black Bay One 31 S&G31mm
LONGINES SPIRIT ZULU TIME TITANIUM39mm
Power Reserve
Black Bay One 31 S&G50h
LONGINES SPIRIT ZULU TIME TITANIUM40h
Water Resistance
Black Bay One 31 S&G100m
LONGINES SPIRIT ZULU TIME TITANIUM100m
MSRP
Black Bay One 31 S&G$6,850
LONGINES SPIRIT ZULU TIME TITANIUM$4,850

Full specifications

Case

8 specs
Category
GMT
Diameter
31mm
39mm
Thickness
9.5mm
13.5mm
Lug-to-Lug
46mm
46.8mm
Lug Width
17mm
21mm
Material
Stainless Steel
Titanium
Finish
Polished + Satin
Brushed and polished
Caseback
Solid screw-down
Solid

Crystal & Dial

1 specs
Dial Color
Black
Anthracite

Movement

2 specs
Caliber
MT5201
L844.4
Power Reserve
50h
40h

Pricing

1 specs
MSRP
$6,850
$4,850

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Tudor Black Bay One 31 S&G

The Tudor Black Bay One 31 S&G is praised for its quiet luxury, combining brushed steel and warm gold accents for understated charm. Owners appreciate the brushed gold for a casual two-tone look and the champagne dial's surprising legibility. Some find the case sides too thick, and one user expressed a desire for a smaller S&G variant. The watch features the MT5612 movement with a 70-hour power reserve and a date function, within a 200-meter water-resistant case. Overall, owners and reviewers highlight the Tudor Black Bay One 31 S&G's balanced two-tone aesthetic as its primary appeal.

LONGINES SPIRIT ZULU TIME TITANIUM

Owners and reviewers widely praise the LONGINES SPIRIT ZULU TIME TITANIUM for its lightweight comfort, excellent finishing, and smooth winding action, with many considering it great value. The COSC-certified movement is noted for its accuracy, with figures ranging from +2 seconds per day to within -4 to +6 seconds per day, and an 80-hour power reserve is consistently reported. Some owners find the rotor can be loud, and the bracelet's lack of tool-free micro-adjustment is a recurring point of critique, though the overall design is considered attractive and understated. On balance, the LONGINES SPIRIT ZULU TIME TITANIUM is highly regarded for its refined travel watch design and accessible price point.

From video reviewers

The lightweight grade 5 titanium case and true GMT function are praised. The watch's value at its price point is considered excellent.

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