Side by side

Redwood Watches Jetstream GMTvsSeiko King Turtle

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

Add a watch

Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Redwood Watches Jetstream GMT

Redwood Watches is widely praised for its value, with owners highlighting its retro styling, clean design, and 40mm case size as particularly appealing for wearability and avoiding bulk. The bezel action is described as tight with no back play, and the lume is noted as great by one owner, though another found it minimal and fading quickly. One owner reported accuracy to the second since day one, while another noted it sits beautifully on the wrist and is light. Some owners expressed a desire for a more premium movement or the addition of a date complication. Overall, owners rate Redwood Watches highly for its exceptional value and well-executed design at its price point.

Seiko King Turtle

Owners widely praise the Seiko Prospex Sea for its excellent value, robust build, and superior lume, with many appreciating its faithful recreation of classic designs and proven movements like the 4R36 and 6R15. Reviewers highlight impressive case finishing and durability, noting that even larger models wear smaller than expected due to thoughtful case design. Some owners find the solar quartz models a great entry point, appreciating their design and solar functionality. However, specific variants receive critiques: the bracelet clasp on the Samurai is described as underwhelming, and the Sumo's bracelet width and clasp are seen as too narrow and rudimentary, respectively. The SPB183 is considered expensive for a Japanese watch, and its lume is noted as not quite matching older Seiko Monster models. The GMT function on the SPB519 is deemed less practical for serious travel, and its bezel clicks are described as quieter and mushier.

From video reviewers

The King Turtle's ceramic bezel and sapphire crystal are significant upgrades. Reviewers noted a slight price increase for these features.

At a glance

13 of 29 specs differ
Diameter
Jetstream GMT40mm
King Turtle45mm
Power Reserve
Jetstream GMT
King Turtle41h
Water Resistance
Jetstream GMT300m
King Turtle200m
MSRP
Jetstream GMT$419
King Turtle$650

Full specifications

Case

6 specs
Category
Diver
Diameter
40mm
45mm
Thickness
13.7mm
13.2mm
Lug-to-Lug
0mm
47.7mm
Lug Width
20mm
22mm
Water Resistance
300m
200m

Crystal & Dial

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

Movement

3 specs
Caliber
Seiko NH34
Seiko 4R36
Power Reserve
0h
41h
Jewels
0
24

Pricing

1 specs
MSRP
$419
$650
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

DiscussionNot started
Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.