Side by side

Seiko Prospex Sea 1968 Heritage Diver's GMTvsTAG Heuer Formula 1

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

Prospex Sea 1968 Heritage Diver's GMT
SeikoProspex Sea 1968 Heritage Diver's GMT
MSRP $1,500
Formula 1
TAG HeuerFormula 1
MSRP $4,550
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

The Seiko Prospex Sea 1968 Heritage Diver's GMT is widely praised for its build quality, finishing, and comfortable wearability, offering good value for its price point. Owners and reviewers highlight the attractive silver/white sunray dial, blue ceramic bezel, and the premium feel of the improved bracelet clasp with excellent micro-adjustment. The Caliber 6R54 movement provides a 72-hour power reserve, and real-world accuracy often exceeds its stated range of +25 to -15 seconds per day, with some owners reporting figures around +3 to +5 seconds per day. However, the caller-style GMT functionality is a point of contention for some, who find the GMT scale difficult to read and prefer a flyer GMT at this price. Some also find the crown position at 4 o'clock undesirable, and a few note a lack of dial contrast or illegibility of the inner bezel.

TAG Heuer Formula 1

Owners widely praise the TAG Heuer Formula 1 for its durability and value, with some finding the automatic movement worthwhile for enthusiasts while others prefer the practicality of quartz. The double date window is noted as a cool feature. Some owners report accuracy issues with the automatic after a few years, and one criticizes the stainless bands as garbage. The black coating on pushers, crown, and bezel may wear off with heavy use, but some find this adds character. On balance, owners rate the TAG Heuer Formula 1 highly for its durability and perceived value as a beater watch.

At a glance

16 of 29 specs differ
Diameter
Prospex Sea 1968 Heritage Diver's GMT42mm
Formula 144mm
Power Reserve
Prospex Sea 1968 Heritage Diver's GMT72h
Formula 148h
Water Resistance
Prospex Sea 1968 Heritage Diver's GMT200m
Formula 1200m
MSRP
Prospex Sea 1968 Heritage Diver's GMT$1,500
Formula 1$4,550

Full specifications

Case

5 specs
Diameter
42mm
44mm
Thickness
12.9mm
15mm
Lug-to-Lug
48.6mm
Finish
Brushed and polished
Steel Fine-Brushed/Polished
Caseback
Solid

Crystal & Dial

6 specs
Crystal
Sapphire
Crystal Shape
Flat
AR Coating
Anti-reflective coating on inner surface
Dial Color
Black
Green
Indices
Applied
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

4 specs
Caliber
6R54
Calibre 16 Automatic
Power Reserve
72h
48h
Jewels
24
0
Complications
None
Chronograph, Date

Pricing

1 specs
MSRP
$1,500
$4,550
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.

Follow this matchup

Get a note when Seiko Prospex Sea 1968 Heritage Diver's GMT vs TAG Heuer Formula 1 gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.