Side by side

Seiko Prospex Sea 1968 Heritage Diver's GMTvsSpinnaker Wreck Automatic

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
Wreck Automatic
SpinnakerWreck Automatic
MSRP $189

At a glance

11 of 29 specs differ
Diameter
Prospex Sea 1968 Heritage Diver's GMT42mm
Wreck Automatic44mm
Power Reserve
Prospex Sea 1968 Heritage Diver's GMT72h
Wreck Automatic40h
Water Resistance
Prospex Sea 1968 Heritage Diver's GMT200m
Wreck Automatic200m
MSRP
Prospex Sea 1968 Heritage Diver's GMT$1,500
Wreck Automatic$189

Full specifications

Case

5 specs
Diameter
42mm
44mm
Thickness
12.9mm
14mm
Lug-to-Lug
48.6mm
50mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

2 specs
AR Coating
Anti-reflective coating on inner surface
Inner
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

3 specs
Caliber
6R54
SII NH35A
Power Reserve
72h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$1,500
$189

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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.

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.

Spinnaker Wreck Automatic

The Spinnaker Wreck Automatic is widely praised for its exceptional value, featuring a distressed finish on its aluminum bezel and etched dial. Owners consistently highlight the excellent bezel and crown action, with one owner noting it surpasses that of many higher-end watches. The 43mm steel case is water-resistant to 100 meters and houses a Seiko NH-35 automatic movement with a 42-hour power reserve. Overall, owners rate the Spinnaker Wreck Automatic highly for its impressive build quality and tactile feel at its price point.

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