Which is cheaper, the AETHELSOHN Sunburst or the Casio B640?

At MSRP the Casio B640 is the cheaper of the two at $80, against $129 for the AETHELSOHN Sunburst — a $49 gap before any retailer discounting.

Which is bigger, the AETHELSOHN Sunburst or the Casio B640?

The AETHELSOHN Sunburst wears larger at 37mm versus 35mm for the Casio B640 — a 2mm difference across the dial.

Which has better water resistance, the AETHELSOHN Sunburst or the Casio B640?

The AETHELSOHN Sunburst is rated to 200m versus 50m for the Casio B640.

Side by side

AETHELSOHN SunburstvsCasio B640

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

Add a watch

AETHELSOHN Sunburst

sunburst-aqua

MSRP $129

See the full Sunburst

Casio B640

B640

MSRP $80

See the full B640

Buy from AETHELSOHN ↗

Buy used on eBay ↗

Buy from Casio ↗

Buy used on eBay ↗

Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures

At a glance

14 of 29 specs differ

Diameter

Sunburst37mm

B64035mm

Power Reserve

Sunburst—

B640—

Water Resistance

Sunburst200m

B64050m

MSRP

Sunburst$129

B640$80

Full specifications

Case

8 specs

Crystal & Dial

3 specs

Crystal

Sapphire

Acrylic

AR Coating

—

Dial Color

—

Black

Movement

2 specs

Caliber

Seiko VH31

—

Power Reserve

—

Pricing

1 specs

MSRP

$129

$80

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Charlie Paris Watchesmicro

DiscussionNot started

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

AETHELSOHN Sunburst ShadowvsCasio B640 AETHELSOHN Tidal Wave Dial Quartz WatchvsCasio B640 AV86 1956 MarinevsCasio B640 Casio B640vsCharlie Paris Watches CONCORDIA - Quartz Diver (38mm)22 Studio Ups & Downs Rectangular Concrete WatchvsAETHELSOHN Sunburst AETHELSOHN SunburstvsLilienthal Berlin Multimatica All Black Leather Black Ndash Lilienthal Berlin North America

Edit this comparison Add another watch Explore more 34–38mm watches

AETHELSOHN SunburstvsCasio B640

At a glance

Full specifications

More watches worth a look

CONCORDIA - Quartz Diver (38mm)

Mansart Électrique

A3 Omen Quartz

Deco Moon

TREK

BERNY-Men Quartz Square Gold Watch-2166M

MWC Classic 40mm Stainless Steel Aviator Watch with Hybrid Movement

Swan Love - Alexander Shorokhoff Uhren

People also compared