Which is cheaper, the Spinnaker Dumas Automatic or the Longines SPIRIT ZULU TIME?

At MSRP the Spinnaker Dumas Automatic is the cheaper of the two at $239, against $3,550 for the Longines SPIRIT ZULU TIME — a $3,311 gap before any retailer discounting.

Which is bigger, the Spinnaker Dumas Automatic or the Longines SPIRIT ZULU TIME?

The Spinnaker Dumas Automatic wears larger at 44mm versus 39mm for the Longines SPIRIT ZULU TIME — a 5mm difference across the dial.

Which has better water resistance, the Spinnaker Dumas Automatic or the Longines SPIRIT ZULU TIME?

The Spinnaker Dumas Automatic is rated to 300m versus 100m for the Longines SPIRIT ZULU TIME.

Which has a longer power reserve, the Spinnaker Dumas Automatic or the Longines SPIRIT ZULU TIME?

The Longines SPIRIT ZULU TIME carries a 72-hour power reserve against 40 hours on the Spinnaker Dumas Automatic.

What movement does the Spinnaker Dumas Automatic run compared to the Longines SPIRIT ZULU TIME?

Both watches run automatic movements — the Spinnaker Dumas Automatic uses the SII NH35A and the Longines SPIRIT ZULU TIME uses the L844.4.

Side by side

Spinnaker Dumas AutomaticvsLongines SPIRIT ZULU TIME

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

Spinnaker Dumas Automatic

dumas-blue-yonder-sp-5081-dd

MSRP $239

Longines SPIRIT ZULU TIME

L3.802.4.63.6

MSRP $3,550

At a glance

22 of 29 specs differ

Diameter

Dumas Automatic44mm

SPIRIT ZULU TIME39mm

Power Reserve

Dumas Automatic40h

SPIRIT ZULU TIME72h

Water Resistance

Dumas Automatic300m

SPIRIT ZULU TIME100m

MSRP

Dumas Automatic$239

SPIRIT ZULU TIME$3,550

Full specifications

Case

9 specs

Crystal & Dial

5 specs

Crystal Shape

Flat

—

AR Coating

Inner

Both sides

Dial Color

Blue

Anthracite

Indices

Applied

Applied Arabic numerals

Lume

None

Super-LumiNova

Movement

7 specs

Caliber

SII NH35A

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

$239

$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.

Spinnaker Dumas Automatic

Owners widely praise the Spinnaker Dumas Automatic for its attractive textured blue dial, applied indices, and well-finished case, noting its comfortable wearability due to a short lug-to-lug distance. Some owners flag the use of mineral crystal instead of sapphire and a bracelet with a learning curve and loose keeper. Overall, owners rate the Spinnaker Dumas Automatic highly for its aesthetics and case finishing at its price point.

WatchUSeek

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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