Side by side

Seestern S446 GMTvsLongines MASTER COLLECTION

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

S446 GMT
SeesternS446 GMT
MSRP $299
MASTER COLLECTION
LonginesMASTER COLLECTION
MSRP $3,100

At a glance

21 of 29 specs differ
Diameter
S446 GMT39.5mm
MASTER COLLECTION42mm
Power Reserve
S446 GMT41hh
MASTER COLLECTION
Water Resistance
S446 GMT100m
MASTER COLLECTION30m
MSRP
S446 GMT$299
MASTER COLLECTION$3,100

Full specifications

Case

9 specs
Category
GMT
Diameter
39.5mm
42mm
Thickness
13mm
9.64mm
Lug-to-Lug
47mm
49.6mm
Lug Width
20mm
21mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Water Resistance
100m
30m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Domed
AR Coating
Inner
Dial Color
Cream
Silver
Indices
Applied

Movement

7 specs
Caliber
Seiko NH34A GMT
L888.5
Beat Rate
3 vph
0 vph
Power Reserve
41hh
0h
Jewels
24
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$299
$3,100

Follow this matchup

Get a note when Seestern S446 GMT vs Longines MASTER COLLECTION 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.

Seestern S446 GMT

Owners widely praise the Seestern S446 GMT for its stunning finishing and extreme value, with a sapphire crystal and adjustable clasp. The winding action is noted as buttery smooth, and the 39.5mm case size is considered very wearable. Some owners, however, flag the lume as a weak point and one owner found the bracelet clasp lacked sufficient micro-adjustment. The Seestern S446 GMT is considered an extreme value for the dollar. Overall, owners rate the Seestern S446 GMT highly for its exceptional finishing and value proposition at its price point.

Longines MASTER COLLECTION

Owners and reviewers widely praise the Longines Master Collection for its excellent fit and finish, heritage-inspired design with features like Breguet numerals and leaf hands, and the value it offers, particularly for complications like chronographs and annual calendars. Specific models are noted for their beautiful dial execution, creamy white barleycorn or blue starburst finishes, and practical complications. Some owners find the Master Collection thin and dressy, appreciating its vintage aesthetic. However, drawbacks mentioned include a subdial potentially obscuring numerals, a bracelet lacking micro-adjustments causing fit issues for some, and a case finishing described as homogenous by one owner. The 30m water resistance on annual calendar models is considered light, and the crown and pushers on the moon phase chronograph are described as uninspiring. One owner reported a broken moon phase setting mechanism.

From video reviewers

The diamond hour markers are a notable strength. The movement accuracy was not discussed.

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.