Side by side

Zelos Hammerhead (Tantalum LE)vsTudor Black Bay One 31 S&G

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

Hammerhead (Tantalum LE)
ZelosHammerhead (Tantalum LE)
MSRP $1,499
Black Bay One 31 S&G
TudorBlack Bay One 31 S&G
MSRP $6,850

At a glance

14 of 29 specs differ
Diameter
Hammerhead (Tantalum LE)44mm
Black Bay One 31 S&G31mm
Power Reserve
Hammerhead (Tantalum LE)40h
Black Bay One 31 S&G50h
Water Resistance
Hammerhead (Tantalum LE)300m
Black Bay One 31 S&G100m
MSRP
Hammerhead (Tantalum LE)$1,499
Black Bay One 31 S&G$6,850

Full specifications

Case

9 specs
Category
Diver
Diameter
44mm
31mm
Thickness
13mm
9.5mm
Lug-to-Lug
44mm
46mm
Lug Width
22mm
17mm
Material
Titanium
Stainless Steel
Finish
Brushed and polished
Polished + Satin
Water Resistance
300m
100m
Caseback
Solid
Solid screw-down

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
Tantalum LE
Black

Movement

2 specs
Caliber
Seiko NH35
MT5201
Power Reserve
40h
50h

Pricing

1 specs
MSRP
$1,499
$6,850

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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.

Zelos Hammerhead (Tantalum LE)

The Zelos Hammerhead (Tantalum LE) features a forged carbon dial and bezel insert with infused lume. On balance, owners and reviewers rate the Zelos Hammerhead (Tantalum LE) highly for its unique material composition and substantial feel.

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.

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