Side by side

Tudor Black Bay One 31 S&GvsZelos Nova 37

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
Nova 37
ZelosNova 37
MSRP $899

At a glance

15 of 29 specs differ
Diameter
Black Bay One 31 S&G31mm
Nova 3737mm
Power Reserve
Black Bay One 31 S&G50h
Nova 3740h
Water Resistance
Black Bay One 31 S&G100m
Nova 3750m
MSRP
Black Bay One 31 S&G$6,850
Nova 37$899

Full specifications

Case

9 specs
Category
Dress
Diameter
31mm
37mm
Thickness
9.5mm
7mm
Lug-to-Lug
46mm
37mm
Lug Width
17mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Polished + Satin
Brushed and polished
Water Resistance
100m
50m
Caseback
Solid screw-down
Solid

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Black
Salmon

Movement

3 specs
Caliber
MT5201
ETA 7001
Type
Automatic
Manual
Power Reserve
50h
40h

Pricing

1 specs
MSRP
$6,850
$899

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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.

Zelos Nova 37

Owners widely praise the Zelos Nova 37's spectacular 37mm dimensions and extremely light, thin wearability. The meteorite dial is frequently highlighted as a captivating feature, though some reviewers suggest simpler indices would improve legibility over the Arabic numerals. The watch is considered a considerable value at $1,999. On balance, owners and reviewers rate the Zelos Nova 37 highly for its excellent dimensions and dial execution at the price.

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