Shiro Kara RCF Tifa BluevsSeiko Prospex Sea
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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.
RCF Tifa Blue
Prospex Sea
Diameter
39mm
41.7mm
Lug-to-Lug
47.5mm
lowest
49.5mm
Thickness
11.9mm
lowest
12.3mm
Water Resistance
100m
200m
highest
Power Reserve
41h
41h
MSRP
$448
lowest
$595
Movement
Seiko NH35
Seiko 4R35
Case
5 specsDiameter
39mm
41.7mm
Thickness
11.9mm
12.3mm
Lug-to-Lug
47.5mm
49.5mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
100m
200m
Crystal & Dial
3 specsCrystal
Sapphire
Hardlex
Dial Color
n/a
n/a
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
2 specsCaliber
Seiko NH35
Seiko 4R35
Jewels
0
23
Pricing
1 specsMSRP
$448
$595
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