Which is cheaper, the Hamilton Jazzmaster Performer Automatic or the Kurono Tokyo Seiji?

At MSRP the Hamilton Jazzmaster Performer Automatic is the cheaper of the two at $1,245, against $1,793 for the Kurono Tokyo Seiji — a $548 gap before any retailer discounting.

Which is bigger, the Hamilton Jazzmaster Performer Automatic or the Kurono Tokyo Seiji?

The Hamilton Jazzmaster Performer Automatic wears larger at 38mm versus 37mm for the Kurono Tokyo Seiji — a 1mm difference across the dial.

Which has better water resistance, the Hamilton Jazzmaster Performer Automatic or the Kurono Tokyo Seiji?

The Hamilton Jazzmaster Performer Automatic is rated to 100m versus 30m for the Kurono Tokyo Seiji.

Which has a longer power reserve, the Hamilton Jazzmaster Performer Automatic or the Kurono Tokyo Seiji?

The Hamilton Jazzmaster Performer Automatic carries a 80-hour power reserve against 40 hours on the Kurono Tokyo Seiji.

What movement does the Hamilton Jazzmaster Performer Automatic run compared to the Kurono Tokyo Seiji?

Both watches run automatic movements — the Hamilton Jazzmaster Performer Automatic uses the Hamilton H-10 and the Kurono Tokyo Seiji uses the Miyota 90S5.

Side by side

Hamilton Jazzmaster Performer AutomaticvsKurono Tokyo Seiji

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

Add a watch

Hamilton Jazzmaster Performer Automatic

MSRP $1,245

See the full Jazzmaster Performer Automatic

Kurono Tokyo Seiji

Seiji

MSRP $1,793

See the full Seiji

Buy from Hamilton ↗

Buy used on eBay ↗

Buy from Kurono Tokyo ↗

Buy used on eBay ↗

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At a glance

15 of 29 specs differ

Diameter

Jazzmaster Performer Automatic38mm

Seiji37mm

Power Reserve

Jazzmaster Performer Automatic80h

Seiji40h

Water Resistance

Jazzmaster Performer Automatic100m

Seiji30m

MSRP

Jazzmaster Performer Automatic$1,245

Seiji$1,793

Full specifications

Case

7 specs

Diameter

38mm

37mm

Thickness

11.47mm

7mm

Lug-to-Lug

0mm

—

Material

Stainless Steel

316L Stainless Steel

Finish

—

Polished

Water Resistance

100m

30m

Caseback

—

Solid

Crystal & Dial

3 specs

Crystal Shape

—

Dial Color

Blue

Celadon (青磁)

Indices

—

Applied

Movement

4 specs

Caliber

Hamilton H-10

Miyota 90S5

Beat Rate

0 vph

28,800 vph

Power Reserve

80h

40h

Jewels

Pricing

1 specs

MSRP

$1,245

$1,793

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Hamilton Jazzmaster Performer AutomaticvsKurono Tokyo Seiji

At a glance

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