Side by side

Tedoro Harmony 36mm Stainless Steel Seiko NH35AvsZelos Hammerhead V3 300m Titanium

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

Hammerhead V3 300m Titanium
ZelosHammerhead V3 300m Titanium
MSRP $559
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Tedoro Harmony 36mm Stainless Steel Seiko NH35A

The Tedoro Harmony 36mm Stainless Steel Seiko NH35A is built around the reliable Seiko NH35A automatic movement, with owners reporting accuracy around +/- 5 seconds per day. The 36mm case size is noted as being a custom build, incorporating parts from AliExpress and an Invicta Pro Diver, with specific mention of gold hour and minute hands. On balance, owners find the Tedoro Harmony 36mm Stainless Steel Seiko NH35A to be a satisfactory custom build, appreciating the reliability of the NH35A movement and the familiar styling.

Zelos Hammerhead V3 300m Titanium

The Zelos Hammerhead V3 300m Titanium is widely praised for its exceptional lume, unique and beautiful dial finishing that reflects light dramatically, and solid build quality that exceeds its price point. Owners also highlight its comfortable wearability, especially the lightweight titanium variant, and the convenient on-the-fly micro-adjustment on the bracelet. One owner notes the Japanese movement performs better than anticipated, and the Ti-Damascus variant features a unique, patterned dial and bezel. However, some owners find the 44mm size large, the crown "off," and the bracelet clasp could be more scratch-resistant, with resizing pins described as stubborn. Reattaching the bracelet after removal is also noted as extremely difficult. Overall, owners rate the Zelos Hammerhead V3 300m Titanium highly for its impressive dial aesthetics and value for money.

At a glance

12 of 29 specs differ
Diameter
Harmony 36mm Stainless Steel Seiko NH35A36mm
Hammerhead V3 300m Titanium44mm
Power Reserve
Harmony 36mm Stainless Steel Seiko NH35A41h
Hammerhead V3 300m Titanium40h
Water Resistance
Harmony 36mm Stainless Steel Seiko NH35A100m
Hammerhead V3 300m Titanium300m
MSRP
Harmony 36mm Stainless Steel Seiko NH35A$495
Hammerhead V3 300m Titanium$559

Full specifications

Case

7 specs
Category
Diver
Diameter
36mm
44mm
Thickness
13mm
Lug-to-Lug
44mm
Lug Width
22mm
Material
Stainless Steel
Titanium
Water Resistance
100m
300m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Burgundy
Ti - Mosaic MOP

Movement

2 specs
Caliber
NH35
Seiko NH35
Power Reserve
41h
40h

Pricing

1 specs
MSRP
$495
$559
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