Side by side

Sugess Heritage S463 BB GMTvsSeiko Prospex Land Mechanical GMT

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

Heritage S463 BB GMT
SugessHeritage S463 BB GMT
MSRP $599
Prospex Land Mechanical GMT
SeikoProspex Land Mechanical GMT
MSRP $1,150
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Sugess Heritage S463 BB GMT

Owners widely praise the Sugess Heritage S463 BB GMT for its excellent finishing and premium look, with particular acclaim for its comfortable bracelet featuring screwed links and solid end links, and a dive clasp. The watch is noted for its attractive font and a case that is thinner than its inspirations. Accuracy figures vary, with one owner reporting +7 seconds per day, while another sees a range from +1/+2 to about -6 s/day. Some owners find the 40mm case size a deterrent, and opinions are split on the GMT hand design and the crown action, with one owner noting a slightly wobbly crown. A few users expressed concern about the 10 bar water resistance given its diver-like appearance. Overall, owners rate the Sugess Heritage S463 BB GMT highly for its finishing and bracelet at its price point.

Seiko Prospex Land Mechanical GMT

Owners widely praise the Seiko Prospex Land Mechanical GMT for its faithful reconstruction of a classic design, comfortable bracelet, and attractive gray dial with a bubbly crystal. Reviewers highlight its handsome everyday sports watch appeal, solid specifications, and classic Seiko diver aesthetics, offering great value. However, community members are divided on the 6R movement's accuracy, with some reporting significant deviations even after regulation, while others find it competitive for the price. A point of contention is the GMT function, with some wishing for a "flyer" style local jump GMT instead of the "caller" type, and the internal compass bezel is described as finicky and difficult to read. Owners generally consider the Seiko Prospex Land Mechanical GMT overpriced at its retail price, suggesting better value is found on sale or closer to $700.

At a glance

13 of 29 specs differ
Diameter
Heritage S463 BB GMT40mm
Prospex Land Mechanical GMT39.5mm
Power Reserve
Heritage S463 BB GMT35h
Prospex Land Mechanical GMT72h
Water Resistance
Heritage S463 BB GMT100m
Prospex Land Mechanical GMT200m
MSRP
Heritage S463 BB GMT$599
Prospex Land Mechanical GMT$1,150

Full specifications

Case

4 specs
Diameter
40mm
39.5mm
Thickness
20mm
13.6mm
Lug-to-Lug
48mm
46.4mm
Water Resistance
100m
200m

Crystal & Dial

3 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
Tritium
LumiBrite on hands and index(es)

Movement

5 specs
Caliber
Seiko NH34
6R54
Beat Rate
3 vph
28,800 vph
Power Reserve
35h
72h
Jewels
25
24
Complications
GMT, Moonphase, Date
None

Pricing

1 specs
MSRP
$599
$1,150
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