Side by side

Seestern S456 GMTvsLongines MASTER COLLECTION

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

S456 GMT
SeesternS456 GMT
MSRP $299
MASTER COLLECTION
LonginesMASTER COLLECTION
MSRP $2,550

At a glance

22 of 29 specs differ
Diameter
S456 GMT41mm
MASTER COLLECTION40mm
Power Reserve
S456 GMT41hh
MASTER COLLECTION72h
Water Resistance
S456 GMT200m
MASTER COLLECTION30m
MSRP
S456 GMT$299
MASTER COLLECTION$2,550

Full specifications

Case

9 specs
Category
GMT
Diameter
41mm
40mm
Thickness
13mm
9.35mm
Lug-to-Lug
49mm
46.8mm
Lug Width
20mm
21mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed + Polished
Water Resistance
200m
30m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Sunray style, applied and Diamond cut Indices, C1 lume
Green
Indices
Applied
Lume
C1
None

Movement

7 specs
Caliber
Seiko NH34
L888.5
Beat Rate
3 vph
0 vph
Power Reserve
41hh
72h
Jewels
24
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
GMT
None

Pricing

1 specs
MSRP
$299
$2,550

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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.

Longines MASTER COLLECTION

The Longines Master Collection is widely praised for its excellent value, with owners and reviewers highlighting its attractive finishing and classic, dressy styling. The L893 caliber offers a 72-hour power reserve, and the collection includes models with complications like annual calendars and moon phase chronographs at competitive prices. Some owners note that the bracelet lacks micro-adjustments for a perfect fit, and one reviewer found the case finishing homogenous with pushers that felt cheap. The Master Collection Chronograph is noted for its excellent fit and finish and vintage theme, while the Small Seconds variant's dial features engraved Breguet numerals but the subdial cuts off the "7" asymmetrically, and its case is considered slightly thicker than ideal. One owner reported the moon phase setting mechanism on their chronograph may require service, and the Annual Calendar variant has 30m water resistance.

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