Side by side

Seiko King Seiko KSKvsSpinnaker Tesei Bronze Swiss

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
Tesei Bronze Swiss
SpinnakerTesei Bronze Swiss
MSRP $850

At a glance

14 of 29 specs differ
Diameter
King Seiko KSK38.6mm
Tesei Bronze Swiss43mm
Power Reserve
King Seiko KSK45h
Tesei Bronze Swiss40h
Water Resistance
King Seiko KSK50m
Tesei Bronze Swiss300m
MSRP
King Seiko KSK$3,300
Tesei Bronze Swiss$850

Full specifications

Case

7 specs
Category
Dress
Diver
Diameter
38.6mm
43mm
Thickness
10.7mm
16mm
Lug-to-Lug
45.8mm
52mm
Lug Width
19mm
22mm
Material
Stainless Steel
Bronze
Water Resistance
50m
300m

Crystal & Dial

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

Movement

3 specs
Caliber
6L35
Sellita SW200-1
Power Reserve
45h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$3,300
$850

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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 Tesei Bronze Swiss

Owners praise the Spinnaker Tesei Bronze Swiss for its incredible macro-level detail and sharp design, noting its bronze case, ceramic bezel, and wave dial. The inclusion of a Sellita SW200 Swiss movement is highlighted. One owner expressed a desire for a smaller 39-40mm variant, stating it would be their ultimate bronze diver if such a size were offered. On balance, owners rate the Spinnaker Tesei Bronze Swiss highly for its detailed finishing and bronze diver aesthetic.

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