Shiro Kara RCF Tifa BluevsSeiko Seiko 5 Sports SKX series

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RCF Tifa Blue
Shiro KaraRCF Tifa Blue

MSRP $448

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Seiko 5 Sports SKX series
SeikoSeiko 5 Sports SKX series

MSRP $350

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Buy from Seiko Used on eBay

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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.

Shiro Kara RCF Tifa Blue at true scale

RCF Tifa Blue

Seiko Seiko 5 Sports SKX series at true scale

Seiko 5 Sports SKX series

Diameter

39mm

38mm

Lug-to-Lug

47.5mm

44.2mm

lowest

Thickness

11.9mm

lowest

12.1mm

Water Resistance

100m

100m

Power Reserve

41h

41h

MSRP

$448

$350

lowest

Movement

Seiko NH35

Seiko 4R36

Case

4 specs
Diameter
39mm
38mm
Thickness
11.9mm
12.1mm
Lug-to-Lug
47.5mm
44.2mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
n/a
n/a
Lume
None
LumiBrite on hands and index(es)

Movement

2 specs
Caliber
Seiko NH35
Seiko 4R36
Jewels
0
24

Pricing

1 specs
MSRP
$448
$350
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