Side by side

Zelos Hammerhead (Tantalum LE)vsGrand Seiko SBGH347

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
SBGH347
Grand SeikoSBGH347
MSRP $7,300
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.

Grand Seiko SBGH347

The Grand Seiko SBGH347 is lauded for its refined 37mm Ever-Brilliant Steel case, impressive Zaratsu polishing, and classy ice-blue dial inspired by frozen waterfalls. Its Hi-Beat 9S85 movement is a significant draw, and the framed date window is preferred over a cyclops. Reviewers note the bracelet lacks micro-adjustment or a quick-change system, and some wished the 13.3mm thickness was slightly thinner on the compact case. Overall, reviewers praise the Grand Seiko SBGH347 for its elevated finish and value, with the Hi-Beat movement being a significant draw.

At a glance

13 of 29 specs differ
Diameter
Hammerhead (Tantalum LE)44mm
SBGH34737mm
Power Reserve
Hammerhead (Tantalum LE)40h
SBGH34755h
Water Resistance
Hammerhead (Tantalum LE)300m
SBGH347100m
MSRP
Hammerhead (Tantalum LE)$1,499
SBGH347$7,300

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
44mm
37mm
Thickness
13mm
13.3mm
Lug-to-Lug
44mm
44.6mm
Lug Width
22mm
19mm
Material
Titanium
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

3 specs
Crystal
Domed Sapphire
Sapphire
AR Coating
Inner
Yes
Dial Color
Tantalum LE
Black

Movement

2 specs
Caliber
Seiko NH35
9S85
Power Reserve
40h
55h

Pricing

1 specs
MSRP
$1,499
$7,300
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