Side by side

Zelos Hammerhead (Tantalum LE)vsGrand Seiko SLGB001

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
SLGB001
Grand SeikoSLGB001
MSRP $39,000

At a glance

14 of 29 specs differ
Diameter
Hammerhead (Tantalum LE)44mm
SLGB00137mm
Power Reserve
Hammerhead (Tantalum LE)40h
SLGB00172h
Water Resistance
Hammerhead (Tantalum LE)300m
SLGB001100m
MSRP
Hammerhead (Tantalum LE)$1,499
SLGB001$39,000

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
44mm
37mm
Thickness
13mm
11.4mm
Lug-to-Lug
44mm
44.3mm
Lug Width
22mm
20mm
Material
Titanium
Platinum
Water Resistance
300m
100m

Crystal & Dial

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

Movement

3 specs
Caliber
Seiko NH35
9RB2
Type
Automatic
Spring Drive
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$1,499
$39,000

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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.

Grand Seiko SLGB001

The Grand Seiko SLGB001 is a limited edition platinum watch in the Evolution 9 collection, featuring a 37mm case and the new Calibre 9RB2 Spring Drive U.F.A. movement, rated to ±20 seconds per year. It has an "Ice Forest" dial with a deep blue hue and a silver seconds hand, but notably lacks lume. A criticism is the absence of a micro-adjustment clasp on its leather strap. Overall, reviewers highlight the watch's advanced movement and distinctive dial as key features.

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