Which is cheaper, the Seestern S456 GMT or the Longines SPIRIT ZULU TIME?

At MSRP the Seestern S456 GMT is the cheaper of the two at $299, against $3,550 for the Longines SPIRIT ZULU TIME — a $3,251 gap before any retailer discounting.

Which is bigger, the Seestern S456 GMT or the Longines SPIRIT ZULU TIME?

The Longines SPIRIT ZULU TIME wears larger at 42mm versus 41mm for the Seestern S456 GMT — a 1mm difference across the dial.

Which has better water resistance, the Seestern S456 GMT or the Longines SPIRIT ZULU TIME?

The Seestern S456 GMT is rated to 200m versus 100m for the Longines SPIRIT ZULU TIME.

Which has a longer power reserve, the Seestern S456 GMT or the Longines SPIRIT ZULU TIME?

The Longines SPIRIT ZULU TIME carries a 72-hour power reserve against 41h hours on the Seestern S456 GMT.

What movement does the Seestern S456 GMT run compared to the Longines SPIRIT ZULU TIME?

The Seestern S456 GMT runs a automatic gmt caliber (Seiko NH34), while the Longines SPIRIT ZULU TIME runs a automatic (L844.4).

Side by side

Seestern S456 GMTvsLongines SPIRIT ZULU TIME

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

Seestern S456 GMT

S456

MSRP $299

Longines SPIRIT ZULU TIME

L3.812.4.50.6

MSRP $3,550

At a glance

21 of 29 specs differ

Diameter

S456 GMT41mm

SPIRIT ZULU TIME42mm

Power Reserve

S456 GMT41hh

SPIRIT ZULU TIME72h

Water Resistance

S456 GMT200m

SPIRIT ZULU TIME100m

MSRP

S456 GMT$299

SPIRIT ZULU TIME$3,550

Full specifications

Case

8 specs

Diameter

41mm

42mm

Thickness

13mm

14.1mm

Lug-to-Lug

49mm

49.4mm

Lug Width

20mm

22mm

Material

316L Stainless Steel

Ceramic

Finish

Brushed + Polished

—

Water Resistance

200m

100m

Caseback

Solid

—

Crystal & Dial

5 specs

Crystal Shape

Flat

—

AR Coating

Inner

Both sides

Dial Color

Sunray style, applied and Diamond cut Indices, C1 lume

Black

Indices

Applied

Applied Arabic numerals

Lume

Super-LumiNova

Movement

7 specs

Caliber

Seiko NH34

L844.4

Beat Rate

3 vph

25,200 vph

Power Reserve

41hh

72h

Jewels

Hacking

Yes

Hand-winding

Yes

Complications

GMT

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

Pricing

1 specs

MSRP

$299

$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.

Seestern S456 GMT

Owners widely praise the Seestern S456 GMT for its exceptional value and finishing that exceeds expectations, with one owner noting its accuracy surpasses that of their Seiko 5. The dial displays a pearl-like rainbow effect. Some owners would prefer a bidirectional bezel over the current unidirectional one. The Seestern S456 GMT features an NH34 movement, a 39.5mm case, sapphire crystal, and an adjustable clasp. On balance, owners rate the Seestern S456 GMT highly for its impressive finishing and value proposition at its price point.

From video reviewers

The watch features stunning, detailed finishing that is difficult to top. Reviewers did not reach a consensus on any weaknesses.

WatchUSeek

Longines SPIRIT ZULU TIME

Owners widely praise the Longines SPIRIT ZULU TIME for its refined finishing, attractive dial with gilt elements, and smooth winding action. Reviewers highlight its handsome and versatile design, with some noting the 39mm variant offers comfortable wearability. The L844.4 movement provides a 72-hour power reserve and COSC certification. Some owners find the bracelet lacks sufficient micro-adjustment and prefer a weightier feel, while others note the 41mm or 42mm case sizes may be large for smaller wrists. On balance, owners and reviewers rate the Longines SPIRIT ZULU TIME highly for its excellent finishing and appealing design at its price point.

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