Side by side

Seiko Prospex Sea 1968 Heritage Diver's GMT WatchvsFormex Stratos UTC

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

Stratos UTC
FormexStratos UTC
MSRP $4,663
What people say

Owners + reviewers, side by side

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

Seiko Prospex Sea 1968 Heritage Diver's GMT Watch

The Seiko Prospex Sea 1968 Heritage Diver's GMT Watch offers a 300-meter depth rating and a caller-style GMT complication powered by the Caliber 6R54 movement, which provides a 72-hour power reserve. Reviewers note its refined clasp with extensive micro-adjustment. However, the movement's accuracy, ranging from +25 to -15 seconds per day, is considered a drawback by some. Overall, reviewers highlight the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch as a good reminder of Seiko's value, despite the wide accuracy range of its movement.

Formex Stratos UTC

Owners and reviewers widely praise the Formex Stratos UTC for its user-friendly flyer GMT complication, which utilizes pushers for time-zone adjustments, and its slim 11.8mm case. The watch is noted for its intricate, hand-finished case with a multi-layer construction and excellent finishing, along with a unique two-level case design. The Dubois-Depraz module on an ETA 2892 movement is a highlight, with accuracy figures ranging from +/- 5 to +/- 7 seconds per day. However, some find the dial busy with multiple typefaces and the overall design too complex or "plug ugly," with the price near €4000 considered high by some for a newer brand. Overall, owners and reviewers rate the Formex Stratos UTC highly for its innovative GMT functionality and excellent case finishing at its price point.

At a glance

12 of 29 specs differ
Diameter
Prospex Sea 1968 Heritage Diver's GMT Watch42mm
Stratos UTC41mm
Power Reserve
Prospex Sea 1968 Heritage Diver's GMT Watch72h
Stratos UTC42h
Water Resistance
Prospex Sea 1968 Heritage Diver's GMT Watch300m
Stratos UTC100m
MSRP
Prospex Sea 1968 Heritage Diver's GMT Watch$1,700
Stratos UTC$4,663

Full specifications

Case

5 specs
Category
Diver
GMT
Diameter
42mm
41mm
Thickness
13.3mm
11.8mm
Lug-to-Lug
48.6mm
47mm
Water Resistance
300m
100m

Crystal & Dial

3 specs
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
Blue
Lume
LumiBrite on hands, index(es) and bezel
Super-LumiNova

Movement

3 specs
Caliber
6R54
ETA 2892-A2
Power Reserve
72h
42h
Jewels
24
25

Pricing

1 specs
MSRP
$1,700
$4,663
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