Side by side

Zelos Hammerhead (Tantalum LE)vsSinn T50 GBDR

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
T50 GBDR
SinnT50 GBDR
MSRP $4,428

At a glance

17 of 29 specs differ
Diameter
Hammerhead (Tantalum LE)44mm
T50 GBDR41mm
Power Reserve
Hammerhead (Tantalum LE)40h
T50 GBDR38h
Water Resistance
Hammerhead (Tantalum LE)300m
T50 GBDR500m
MSRP
Hammerhead (Tantalum LE)$1,499
T50 GBDR$4,428

Full specifications

Case

7 specs
Diameter
44mm
41mm
Thickness
13mm
12.3mm
Lug-to-Lug
44mm
Lug Width
22mm
20mm
Finish
Brushed and polished
bead-blasted
Water Resistance
300m
500m
Caseback
Solid

Crystal & Dial

6 specs
Crystal
Domed Sapphire
Sapphire
Crystal Shape
Flat
AR Coating
Inner
Underside
Dial Color
Tantalum LE
Black
Indices
Applied
Lume
None
Luminescent

Movement

3 specs
Caliber
Seiko NH35
SW 300-1
Power Reserve
40h
38h
Complications
None
Date

Pricing

1 specs
MSRP
$1,499
$4,428

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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.

Sinn T50 GBDR

The Sinn T50 GBDR features a titanium case with a GoldBronze bezel and matte black dial, presenting a two-tone toolish aesthetic that reviewers find appealing. The GoldBronze alloy offers improved skin compatibility and corrosion resistance, developing patina slower than standard bronze. Reviewers note a stamped clasp that can come loose and suggest the price point may be high for some Sinn enthusiasts.

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