Side by side

Seiko Prospex SPEEDTIMERvsZelos Hammerhead V3 300m Titanium

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

Prospex SPEEDTIMER
SeikoProspex SPEEDTIMER
MSRP $3,000
Hammerhead V3 300m Titanium
ZelosHammerhead V3 300m Titanium
MSRP $559

At a glance

16 of 29 specs differ
Diameter
Prospex SPEEDTIMER42.5mm
Hammerhead V3 300m Titanium44mm
Power Reserve
Prospex SPEEDTIMER45h
Hammerhead V3 300m Titanium40h
Water Resistance
Prospex SPEEDTIMER100m
Hammerhead V3 300m Titanium300m
MSRP
Prospex SPEEDTIMER$3,000
Hammerhead V3 300m Titanium$559

Full specifications

Case

7 specs
Category
Chronograph
Diver
Diameter
42.5mm
44mm
Thickness
15.1mm
13mm
Lug-to-Lug
50mm
44mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium
Water Resistance
100m
300m

Crystal & Dial

5 specs
Crystal
Sapphire
Domed Sapphire
Crystal Shape
Curved
Flat
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
Ti - Mosaic MOP
Lume
LumiBrite on hands and index(es)
None

Movement

3 specs
Caliber
8R46
Seiko NH35
Power Reserve
45h
40h
Jewels
34
25

Pricing

1 specs
MSRP
$3,000
$559

Follow this matchup

Get a note when Seiko Prospex SPEEDTIMER vs Zelos Hammerhead V3 300m Titanium gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

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

Seiko Prospex SPEEDTIMER

Owners widely praise the Seiko Prospex SPEEDTIMER for its attractive vintage-inspired design and compact 39mm size, with one owner finding the red dial unique and gorgeous. Reviewers and owners note the solar-powered quartz movement, with one owner considering $700 expensive for this specification and another wishing for a thinner case. The SPEEDTIMER is described as a sturdy and reliable everyday watch, though one owner questioned its resale value. Overall, owners and reviewers appreciate the Seiko Prospex SPEEDTIMER for its stylish, compact design and solar functionality, despite some finding the price point and case thickness slightly high.

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.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.