Side by side

Seiko King Seiko KSKvsSpinnaker Fleuss GMT

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

King Seiko KSK
SeikoKing Seiko KSK
MSRP $3,300
Fleuss GMT
SpinnakerFleuss GMT
MSRP $299

At a glance

14 of 29 specs differ
Diameter
King Seiko KSK38.6mm
Fleuss GMT43mm
Power Reserve
King Seiko KSK45h
Fleuss GMT40h
Water Resistance
King Seiko KSK50m
Fleuss GMT150m
MSRP
King Seiko KSK$3,300
Fleuss GMT$299

Full specifications

Case

7 specs
Category
Dress
GMT
Diameter
38.6mm
43mm
Thickness
10.7mm
13mm
Lug-to-Lug
45.8mm
51mm
Lug Width
19mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
150m

Crystal & Dial

3 specs
Crystal Shape
Box
Flat
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
Blue

Movement

3 specs
Caliber
6L35
Seiko NH34A
Power Reserve
45h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$3,300
$299

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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 King Seiko KSK

Owners and reviewers widely praise the King Seiko KSK for its exceptional dial and case finishing, often compared to higher-end brands, and its slim, retro design. The use of the Calibre 6L35 movement in some variants is seen as a significant upgrade, contributing to a refined feel, while others note the bracelet is unusually nice and the case offers a mix of brushed and polished finishes with sharp angles. However, some owners question the value proposition, citing misaligned screws and clasp components on their examples, and the standard 6R movement in some models is criticized as a disappointment for the price point. Accuracy figures range from +15/-10 seconds per day to +5 to +7 seconds per day, and water resistance is rated at 5 BAR or 50 meters. Overall, owners and reviewers find the King Seiko KSK to be a beautiful and classy watch with fantastic finishing, though some are divided on its value and movement choice at its price point.

Spinnaker Fleuss GMT

Owners widely praise the Spinnaker Fleuss GMT for its aesthetic appeal, comfortable and light wearability, and value, especially when discounted. The textured blue dial, applied lumed markers, and sapphire crystal with AR coating are highlighted as stunning features. Owners also note the dial is very well lumed and the bracelet has helpful quick-release tabs. However, the 43.3mm case size is criticized by some as being too large, and the Beads of Rice bracelet is described as "jingly jangly" with a pressed clasp and a clasp that isn't finely finished. Some users flag the internal bezel rotates too easily. Overall, owners rate the Spinnaker Fleuss GMT highly for its aesthetic success and value at its affordable price point.

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