Side by side

Spinnaker BradnervsSeiko King Turtle

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

Bradner
SpinnakerBradner
MSRP $179
What people say

Owners + reviewers, side by side

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

Spinnaker Bradner

Owners widely praise the Spinnaker Bradner's vibrant dials and excellent lume on indices and bezel, with one owner noting comfortable wearability on a 7-inch wrist. Reviewers flag imprecise finishing on the minute ring and an inner bezel crown that rotates too easily, while some owners report the internal rotating bezel does not stay in position. The watch features a Seiko NH35 movement with a 41-hour power reserve and is priced around $390-$430 USD. On balance, owners and reviewers find the Spinnaker Bradner to be a fun, affordable diver, with its vibrant dials and strong lume being key selling points.

From video reviewers

The Spinnaker Atlantic Blue's reliable Seiko NH35 automatic movement is a key strength. The watch's lume performance is somewhat lacking, which may be a trade-off for some buyers. Reviewers disagree on the watch's bezel action, with one reviewer praising it as smooth and precise, while the other two do not mention it.

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.

At a glance

12 of 29 specs differ
Diameter
Bradner42mm
King Turtle45mm
Power Reserve
Bradner40h
King Turtle41h
Water Resistance
Bradner180m
King Turtle200m
MSRP
Bradner$179
King Turtle$650

Full specifications

Case

5 specs
Diameter
42mm
45mm
Thickness
15mm
13.2mm
Lug-to-Lug
50mm
47.7mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
180m
200m

Crystal & Dial

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

Movement

3 specs
Caliber
NH35
Seiko 4R36
Power Reserve
40h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$179
$650
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