Casio EFS-S650DvsUndone Tachikoma

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EFS-S650D
CasioEFS-S650D

Ref. EFS-S650D·MSRP $250

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Tachikoma
UndoneTachikoma

MSRP $320

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Casio EFS-S650D at true scale

EFS-S650D

Undone Tachikoma at true scale

Tachikoma

Diameter

40.9mm

41.8mm

Lug-to-Lug

46.7mm

n/a

Thickness

11.7mm

lowest

12.7mm

Water Resistance

100m

100m

MSRP

$250

lowest

$320

Movement

Quartz

Seiko VK63

Case

5 specs
Diameter
40.9mm
41.8mm
Thickness
11.7mm
12.7mm
Lug-to-Lug
46.7mm
n/a
Lug Width
n/a
n/a
Finish
n/a
n/a

Crystal & Dial

2 specs
AR Coating
Yes
n/a
Dial Color
Black
n/a

Movement

2 specs
Caliber
n/a
Seiko VK63
Power Reserve
n/a
0h

Pricing

1 specs
MSRP
$250
$320
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