Side by side

Seiko King Seiko KSKvsBoldr The Boys

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

King Seiko KSK
SeikoKing Seiko KSK
MSRP $2,000
The Boys
BoldrThe Boys
MSRP $299

At a glance

15 of 29 specs differ
Diameter
King Seiko KSK38.3mm
The Boys38mm
Power Reserve
King Seiko KSK72h
The Boys40h
Water Resistance
King Seiko KSK100m
The Boys200m
MSRP
King Seiko KSK$2,000
The Boys$299

Full specifications

Case

7 specs
Category
Dress
Tool
Diameter
38.3mm
38mm
Thickness
11.7mm
12mm
Lug-to-Lug
46mm
44mm
Lug Width
19mm
20mm
Material
Stainless Steel
Titanium
Water Resistance
100m
200m

Crystal & Dial

4 specs
Crystal Shape
Box
Flat
AR Coating
Anti-reflective coating on inner surface
Yes
Dial Color
Black
The Boys' Brigade 90th Anniversary Edition
Lume
LumiBrite on Hands
Super-LumiNova

Movement

3 specs
Caliber
6R55
Seiko NH35A
Power Reserve
72h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$2,000
$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's sharp, faceted case design and harmonious mid-century aesthetic. Its compact 38.1mm or 37mm size and slim 10.7mm thickness are noted as highly wearable. However, accuracy is a point of contention, with one reviewer reporting a wide range of +25 to -15 seconds per day for the 6R31 movement, while others criticize the standard 6R movement as too thick and a departure from the brand's history. Water resistance is consistently cited as limited to 50 meters, and one owner reported misaligned screws on the caseback and clasp. On balance, owners and reviewers find the King Seiko KSK appealing for its design and wearability, though the movement choice and accuracy are significant drawbacks for some.

Boldr The Boys

Boldr The Boys is praised for its lightweight, durable titanium case, ergonomic lugs, and excellent legibility with strong lume. Owners note the competitive price and good customer service, while reviewers highlight the reliable SII NH35A movement and 200m water resistance. Some owners report that titanium scratches easily and question the brand's history and recognition. On balance, owners and reviewers rate Boldr The Boys highly for its practical features and value at $299.

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