Side by side

Zelos Hammerhead (Tantalum LE)vsGrand Seiko SBGM245

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
SBGM245
Grand SeikoSBGM245
MSRP $6,100

At a glance

13 of 29 specs differ
Diameter
Hammerhead (Tantalum LE)44mm
SBGM24540.5mm
Power Reserve
Hammerhead (Tantalum LE)40h
SBGM24572h
Water Resistance
Hammerhead (Tantalum LE)300m
SBGM245200m
MSRP
Hammerhead (Tantalum LE)$1,499
SBGM245$6,100

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
44mm
40.5mm
Thickness
13mm
14.4mm
Lug-to-Lug
44mm
48.6mm
Lug Width
22mm
20mm
Material
Titanium
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

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

Movement

2 specs
Caliber
Seiko NH35
9S66
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$1,499
$6,100

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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 SBGM245

Owners widely appreciate the Grand Seiko SBGM245 for its blend of sport and luxury, with one enthusiast highlighting its superior workmanship over quartz movements. However, opinions on its size vary, as one owner found the SBGM245 too large, preferring the comfort of a different variant. Overall, owners value the Grand Seiko SBGM245 for its refined craftsmanship, though its wearability is a point of personal preference.

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