Oak & Oscar The AshlandvsSeiko Prospex Sea 1968 Heritage Diver's GMT Watch
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
16 of 29 specs differFull specifications
Case
6 specsCrystal & Dial
4 specsMovement
5 specsPricing
1 specsFollow this matchup
Get a note when Oak & Oscar The Ashland vs Seiko Prospex Sea 1968 Heritage Diver's GMT Watch gets more votes, a community discussion, or a price drop. No account needed.
Owners + reviewers, side by side
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely appreciate Oak & Oscar The Ashland for its handsome design, symmetrical dial layout, and good timekeeping, with one owner reporting -4 seconds per day. Some pre-owned examples show minor marks on the lugs, bezel, and case, along with strap wear, consistent with normal use. On balance, owners value Oak & Oscar The Ashland for its attractive design and reliable performance.
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.
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.