Which is cheaper, the Zelos Hammerhead (Tantalum LE) or the Longines SPIRIT ZULU TIME?

At MSRP the Zelos Hammerhead (Tantalum LE) is the cheaper of the two at $1,499, against $3,550 for the Longines SPIRIT ZULU TIME — a $2,051 gap before any retailer discounting.

Which is bigger, the Zelos Hammerhead (Tantalum LE) or the Longines SPIRIT ZULU TIME?

The Zelos Hammerhead (Tantalum LE) wears larger at 44mm versus 39mm for the Longines SPIRIT ZULU TIME — a 5mm difference across the dial.

Which has better water resistance, the Zelos Hammerhead (Tantalum LE) or the Longines SPIRIT ZULU TIME?

The Zelos Hammerhead (Tantalum LE) is rated to 300m versus 100m for the Longines SPIRIT ZULU TIME.

Which has a longer power reserve, the Zelos Hammerhead (Tantalum LE) or the Longines SPIRIT ZULU TIME?

The Longines SPIRIT ZULU TIME carries a 72-hour power reserve against 40 hours on the Zelos Hammerhead (Tantalum LE).

What movement does the Zelos Hammerhead (Tantalum LE) run compared to the Longines SPIRIT ZULU TIME?

Both watches run automatic movements — the Zelos Hammerhead (Tantalum LE) uses the Seiko NH35 and the Longines SPIRIT ZULU TIME uses the L844.4.

Side by side

Zelos Hammerhead (Tantalum LE)vsLongines SPIRIT ZULU TIME

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

Zelos Hammerhead (Tantalum LE)

hammerhead-v3-300m-tantalum-limited-edition

MSRP $1,499

Longines SPIRIT ZULU TIME

L3.802.4.63.6

MSRP $3,550

At a glance

23 of 29 specs differ

Diameter

Hammerhead (Tantalum LE)44mm

SPIRIT ZULU TIME39mm

Power Reserve

Hammerhead (Tantalum LE)40h

SPIRIT ZULU TIME72h

Water Resistance

Hammerhead (Tantalum LE)300m

SPIRIT ZULU TIME100m

MSRP

Hammerhead (Tantalum LE)$1,499

SPIRIT ZULU TIME$3,550

Full specifications

Case

9 specs

Crystal & Dial

6 specs

Crystal

Domed Sapphire

Sapphire

Crystal Shape

Flat

—

AR Coating

Inner

Both sides

Dial Color

Tantalum LE

Anthracite

Indices

Applied

Applied Arabic numerals

Lume

None

Super-LumiNova

Movement

7 specs

Caliber

Seiko NH35

L844.4

Beat Rate

28,800 vph

25,200 vph

Power Reserve

40h

72h

Jewels

Hacking

Yes

Hand-winding

Yes

Complications

None

Hours, minutes, seconds and date, 24 hours hand with time zone mechanism

Pricing

1 specs

MSRP

$1,499

$3,550

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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.

WatchUSeek

Fratello

Longines SPIRIT ZULU TIME

Owners widely praise the Longines Spirit Zulu Time for its excellent fit and finish, visual appeal, and value, with many preferring its thinner titanium case and color-matched date wheel. Reviewers highlight its legibility and comfortable 39mm wearability, while some owners note the bracelet could be weightier and lacks tool-less micro-adjustment. Accuracy figures range from +5 seconds per day to unspecified, and one owner reported condensation risk in hot tubs. On balance, owners and reviewers rate the Longines Spirit Zulu Time highly for its blend of tool-watch utility and segment-leading finishing at its price point.

From video reviewers

The 18k gold capped bezel insert is a notable feature, adding a touch of luxury to the watch. However, the watch's lume is not as bright as some reviewers would like, which is a drawback for those who prioritize good illumination. Reviewers disagree on the watch's functionality, with some considering it a compelling option and others feeling it doesn't quite live up to its design.

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