Seiko Purchase Prospex HBB002K1vsWhitby Watch Co. Ad Mare Dive Watch

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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

Whitby Watch Co. Ad Mare Dive Watch at true scale

Ad Mare Dive Watch

Diameter

45mm

44mm

Lug-to-Lug

47.7mm

lowest

50.8mm

Thickness

13.2mm

lowest

14mm

Water Resistance

200m

200m

Power Reserve

41h

highest

38h

MSRP

$755

$550

lowest

Movement

Seiko 4R36

Sellita SW200-1

Case

4 specs
Diameter
45mm
44mm
Thickness
13.2mm
14mm
Lug-to-Lug
47.7mm
50.8mm
Lug Width
n/a
22mm

Crystal & Dial

1 specs
Dial Color
n/a
n/a

Movement

2 specs
Caliber
Seiko 4R36
Sellita SW200-1
Power Reserve
41h
38h

Pricing

1 specs
MSRP
$755
$550
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Seiko Purchase Prospex HBB002K1

Owners widely praise the beauty of the Seiko Prospex HBB002K1. Some owners question the value proposition at its $750 limited-edition price point, citing the use of a budget movement when Seiko offers newer 6R series calibers. On balance, owners find the Seiko Prospex HBB002K1 beautiful, though some express reservations about its value given the movement choice.

Whitby Watch Co. Ad Mare Dive Watch

Owners widely praise the Whitby Watch Co. Ad Mare Dive Watch as a solid dive watch for its price, with multiple users calling it the best deal under $600 and one rating it 8.5 out of 10. Reviewers note its substantial feel, quality construction, and crisp dial with applied indices, powered by a Sellita SW200-1 automatic movement. Some owners find the 44mm case size to be a comfortable daily wear, with one mentioning the sanded texture of the titanium variant keeps it light. Drawbacks noted by one owner include the absence of a date wheel. Overall, owners and reviewers rate the Whitby Watch Co. Ad Mare Dive Watch highly for its value and build quality at its price point.