Side by side

Seiko Prospex Sea 1968 Heritage Diver's GMT WatchvsYema Yachtingraff Seconde/Seconde/

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

Yachtingraff Seconde/Seconde/
YemaYachtingraff Seconde/Seconde/
MSRP $499

At a glance

15 of 29 specs differ
Diameter
Prospex Sea 1968 Heritage Diver's GMT Watch42mm
Yachtingraff Seconde/Seconde/38.5mm
Power Reserve
Prospex Sea 1968 Heritage Diver's GMT Watch72h
Yachtingraff Seconde/Seconde/40h
Water Resistance
Prospex Sea 1968 Heritage Diver's GMT Watch300m
Yachtingraff Seconde/Seconde/50m
MSRP
Prospex Sea 1968 Heritage Diver's GMT Watch$1,700
Yachtingraff Seconde/Seconde/$499

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
42mm
38.5mm
Thickness
13.3mm
13mm
Lug-to-Lug
48.6mm
Lug Width
20mm
19mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
50m

Crystal & Dial

3 specs
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
Standard
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

4 specs
Caliber
6R54
Type
Automatic
Quartz
Power Reserve
72h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$1,700
$499

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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 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.

Yema Yachtingraff Seconde/Seconde/

The Yema Yachtingraff Seconde/Seconde/ is a collaboration watch featuring a hand-painted graffiti-style dial with wet paint drips and spray can pushers, powered by a Seiko VK63 meca-quartz movement. One owner noted slight marks on the lugs, bezel, and case of a pre-owned example, rating its condition at 88%. On balance, reviewers highlight the artistic and humorous blend of design elements as the watch's primary appeal.

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