Side by side

Seiko Prospex Sea 1968 Heritage Diver's GMTvsVario 1918 Pilot

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
1918 Pilot
Vario1918 Pilot
MSRP $388

At a glance

16 of 29 specs differ
Diameter
Prospex Sea 1968 Heritage Diver's GMT42mm
1918 Pilot40mm
Power Reserve
Prospex Sea 1968 Heritage Diver's GMT72h
1918 Pilot40h
Water Resistance
Prospex Sea 1968 Heritage Diver's GMT200m
1918 Pilot50m
MSRP
Prospex Sea 1968 Heritage Diver's GMT$1,500
1918 Pilot$388

Full specifications

Case

7 specs
Category
Diver
Pilot
Diameter
42mm
40mm
Thickness
12.9mm
10mm
Lug-to-Lug
48.6mm
45mm
Lug Width
20mm
18mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
50m

Crystal & Dial

4 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
White
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

4 specs
Caliber
6R54
Miyota 8N33
Type
Automatic
Manual
Power Reserve
72h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$1,500
$388

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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.

Vario 1918 Pilot

The Vario 1918 Pilot is praised for its classy, unique, and beautifully done vintage theme, especially its 45-degree tilted enamel dial and cathedral hands, offered at a bargain price. Owners note the Miyota 8N33 hand-wound movement with over 40 hours of power reserve and C3 lume. Some find the 40mm size a bit small for larger wrists, and the Vario logo is occasionally seen as out of place. The tilted dial is impractical for right-wrist wear, and one owner reported disappointment with the movement's loudness. On balance, owners and reviewers rate the Vario 1918 Pilot well for its unique dial execution and vintage aesthetic at an accessible price point.

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