Side by side

Hamilton Jazzmaster Regulator CinemavsSeiko King Seiko KSK

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

Jazzmaster Regulator Cinema
HamiltonJazzmaster Regulator Cinema
MSRP $1,475
King Seiko KSK
SeikoKing Seiko KSK
MSRP $3,300

At a glance

11 of 29 specs differ
Diameter
Jazzmaster Regulator Cinema42mm
King Seiko KSK38.6mm
Power Reserve
Jazzmaster Regulator Cinema40h
King Seiko KSK45h
Water Resistance
Jazzmaster Regulator Cinema50m
King Seiko KSK50m
MSRP
Jazzmaster Regulator Cinema$1,475
King Seiko KSK$3,300

Full specifications

Case

5 specs
Category
Chronograph
Dress
Diameter
42mm
38.6mm
Thickness
12.83mm
10.7mm
Lug-to-Lug
46mm
45.8mm
Lug Width
22mm
19mm

Crystal & Dial

2 specs
Crystal Shape
Flat
Box
AR Coating
Inner
Anti-reflective coating on inner surface

Movement

3 specs
Caliber
H-12
6L35
Power Reserve
40h
45h
Jewels
25
26

Pricing

1 specs
MSRP
$1,475
$3,300

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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.

Hamilton Jazzmaster Regulator Cinema

The Hamilton Jazzmaster is widely praised for its value and refined design, with specific models highlighted for sophisticated skeletonization and minimalist aesthetics. Owners appreciate elegant dial work, such as the "spiky H" logo on the Skeleton or the open-heart design on other variants, and the slim profile of the Thinline Automatic is frequently noted. The Calibre H-10-S movement is recognized for its substantial 80-hour power reserve. However, opinions vary on the practicality of open-heart designs, with some finding them gimmicky or impacting legibility, particularly as wearers age. Accuracy figures reported by owners range from 2-3 seconds fast per day to less precise performance, and repair costs can be a consideration. Overall, owners and reviewers value the Hamilton Jazzmaster for its attractive design and accessible price point, with specific models offering unique aesthetic appeals.

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.

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