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Brillier GMT (DUAL TIME) Mechanical Automatic Round 38 mm Gold Case Black FacevsSeiko Prospex SPEEDTIMER Mechanical

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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.

Brillier GMT (DUAL TIME) Mechanical Automatic Round 38 mm Gold Case Black Face

The Brillier GMT (DUAL TIME) Mechanical Automatic Round 38 mm Gold Case Black Face earns strong owner appreciation for its dual-time functionality and clean dial design without a date window. The black dial is particularly praised for its depth and presence in person. Owners appreciate the asymmetrical 4 o'clock pusher as part of the design language, though one notes a preference for a thinner case profile. Overall, owners rate the GMT highly for its functional dual-time complication and striking black dial execution at its price point.

Seiko Prospex SPEEDTIMER Mechanical

The Seiko Prospex SPEEDTIMER Mechanical is praised for its visually appealing design and comfortable wearability, with owners frequently using its chronograph function for daily tasks. Reviewers note its clean dial layout and LumiBrite treated hands and markers, and one source highlights the 72-hour power reserve of the 6R55 movement. However, some owners criticize its chronograph functionality and the 24-hour subdial. On balance, owners and reviewers rate the Seiko Prospex SPEEDTIMER Mechanical highly for its daily usability and refined aesthetics.

At a glance

11 of 29 specs differ
Diameter
GMT (DUAL TIME) Mechanical Automatic Round 38 mm Gold Case Black Face38mm
Prospex SPEEDTIMER Mechanical39.5mm
Power Reserve
GMT (DUAL TIME) Mechanical Automatic Round 38 mm Gold Case Black Face40h
Prospex SPEEDTIMER Mechanical72h
Water Resistance
GMT (DUAL TIME) Mechanical Automatic Round 38 mm Gold Case Black Face100m
Prospex SPEEDTIMER Mechanical200m
MSRP
GMT (DUAL TIME) Mechanical Automatic Round 38 mm Gold Case Black Face$795
Prospex SPEEDTIMER Mechanical$995

Full specifications

Case

4 specs
Category
Chronograph
Diameter
38mm
39.5mm
Lug-to-Lug
46mm
44.5mm
Water Resistance
100m
200m

Crystal & Dial

3 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
6R55
Power Reserve
40h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$795
$995
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