Seiko Captain WillardvsUndone Aquadeep K9
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures
Owners + reviewers, side by side
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Seiko Prospex Sea 1970 Diver's Modern Re-interpretation is praised for its impressive finishing and value, with reviewers noting its well-designed dial and excellent LumiBrite lume. The watch features a textured grey or dark brown dial, silver hands and indexes with beige or cream lume, and a matte grey or dark bezel insert. It houses the 6R35 automatic movement with a 70-hour power reserve. Some reviewers question if its performance specs align with its price point. Overall, reviewers rate the Seiko Prospex Sea 1970 Diver's Modern Re-interpretation highly for its finishing and value over $1,000.
Owners report the Undone Aquadeep K9 offers good quality and a well-made OE strap, with the Seiko NH72 movement noted for reliability and accuracy. One owner experienced a very poor customer service interaction regarding delivery and a warranty claim denial for moisture damage, advising others against purchasing. Another owner found a review suggesting $150 was a good price for the watch, noting the brand's interesting designs originating from Hong Kong. On balance, owners value the watch's build quality and reliable movement, though customer service experiences can vary significantly.
At a glance
15 of 29 specs differFull specifications
Case
7 specsCrystal & Dial
4 specsMovement
3 specsPricing
1 specsMore 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.











