Seiko Purchase Prospex HBB002K1vsU-Boat SOMMERSO CERAMIC

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Purchase Prospex HBB002K1
SeikoPurchase Prospex HBB002K1

Ref. HBB002K1·MSRP $755

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SOMMERSO CERAMIC
U-BoatSOMMERSO CERAMIC

Ref. sommerso-ss-ceramic-blu-dial-blue-bezel·MSRP $3,750

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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.

Seiko Purchase Prospex HBB002K1 at true scale

Purchase Prospex HBB002K1

U-Boat SOMMERSO CERAMIC at true scale

SOMMERSO CERAMIC

Diameter

45mm

46mm

Lug-to-Lug

47.7mm

n/a

Thickness

13.2mm

n/a

Water Resistance

200m

300m

highest

Power Reserve

41h

n/a

MSRP

$755

lowest

$3,750

Movement

Seiko 4R36

Sellita SW200-1

Case

5 specs
Diameter
45mm
46mm
Thickness
13.2mm
n/a
Lug-to-Lug
47.7mm
n/a
Lug Width
n/a
20mm
Water Resistance
200m
300m

Movement

2 specs
Caliber
Seiko 4R36
Sellita SW200-1
Power Reserve
41h
0h

Pricing

1 specs
MSRP
$755
$3,750
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