Side by side

Zelos Hammerhead (Tantalum LE)vsGrand Seiko SBGA413

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
SBGA413
Grand SeikoSBGA413
MSRP $7,200
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 SBGA413

Grand Seiko SBGA413 owners and reviewers widely praise its captivating dial, particularly its subtle artistry, and the mesmerizing Spring Drive movement's reliability and unparalleled mechanical accuracy, with some noting their Spring Drive watches run within half a second per day. The 40mm titanium case, featuring intricate geometries and a satin brush finish, is also highlighted, as are the Zaratsu-polished surfaces. Legibility is considered excellent, even with silver hands on the pink dial. On balance, owners and reviewers rate the Grand Seiko SBGA413 highly for its beautiful dial and the Spring Drive movement's accuracy and refinement.

At a glance

13 of 29 specs differ
Diameter
Hammerhead (Tantalum LE)44mm
SBGA41340mm
Power Reserve
Hammerhead (Tantalum LE)40h
SBGA41372h
Water Resistance
Hammerhead (Tantalum LE)300m
SBGA413100m
MSRP
Hammerhead (Tantalum LE)$1,499
SBGA413$7,200

Full specifications

Case

6 specs
Category
Diver
Dress
Diameter
44mm
40mm
Thickness
13mm
12.8mm
Lug-to-Lug
44mm
47mm
Lug Width
22mm
21mm
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
9R65
Type
Automatic
Spring Drive
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$1,499
$7,200
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