Side by side

Seestern S446 GMTvsZelos Hammerhead V3 300m Bronze

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

S446 GMT
SeesternS446 GMT
MSRP $299
Hammerhead V3 300m Bronze
ZelosHammerhead V3 300m Bronze
MSRP $449

At a glance

15 of 29 specs differ
Diameter
S446 GMT39.5mm
Hammerhead V3 300m Bronze44mm
Power Reserve
S446 GMT41hh
Hammerhead V3 300m Bronze40h
Water Resistance
S446 GMT100m
Hammerhead V3 300m Bronze300m
MSRP
S446 GMT$299
Hammerhead V3 300m Bronze$449

Full specifications

Case

6 specs
Category
GMT
Diver
Diameter
39.5mm
44mm
Lug-to-Lug
47mm
44mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Titanium
Water Resistance
100m
300m

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
Crystal Shape
Domed
Flat
Dial Color
Cream
Bronze - Frost

Movement

5 specs
Caliber
Seiko NH34A GMT
Seiko NH35
Beat Rate
3 vph
28,800 vph
Power Reserve
41hh
40h
Jewels
24
25
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$299
$449

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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.

Seestern S446 GMT

Owners widely praise the Seestern S446 GMT for its stunning finishing and extreme value, with a sapphire crystal and adjustable clasp. The winding action is noted as buttery smooth, and the 39.5mm case size is considered very wearable. Some owners, however, flag the lume as a weak point and one owner found the bracelet clasp lacked sufficient micro-adjustment. The Seestern S446 GMT is considered an extreme value for the dollar. Overall, owners rate the Seestern S446 GMT highly for its exceptional finishing and value proposition at its price point.

Zelos Hammerhead V3 300m Bronze

Owners widely praise the Zelos Hammerhead V3 300m Bronze for its distinctive 70s-inspired design, slim 13.5mm case, and improved lume, offering a sophisticated timepiece at an accessible price point starting at $349. The unique dial is noted for evoking an otherworldly feeling, and the comfortable bracelet features on-the-fly micro-adjustment. Some enthusiasts express frustration with shipping delays and a desire to see the watch on a wrist before purchase. One owner flags that the clasp material could be more scratch-resistant, and resizing bracelet pins can be stubborn. On balance, owners rate the Zelos Hammerhead V3 300m Bronze highly for its unique design and build quality at its price point.

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