Massena LAB Studio Underd0g x Massena LAB Champagne & CaviarvsSeiko Purchase Prospex HBB002K1

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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.

Massena LAB Studio Underd0g x Massena LAB Champagne & Caviar at true scale

Studio Underd0g x Massena LAB Champagne & Caviar

Seiko Purchase Prospex HBB002K1 at true scale

Purchase Prospex HBB002K1

Diameter

44.5mm

45mm

Lug-to-Lug

44.5mm

lowest

47.7mm

Thickness

13.6mm

13.2mm

lowest

Water Resistance

510m

highest

200m

Power Reserve

63h

highest

41h

MSRP

$2,200

$755

lowest

Movement

Sellita SW510

Seiko 4R36

Case

4 specs
Diameter
44.5mm
45mm
Thickness
13.6mm
13.2mm
Lug-to-Lug
44.5mm
47.7mm
Water Resistance
510m
200m

Crystal & Dial

1 specs
Dial Color
n/a
n/a

Movement

3 specs
Caliber
Sellita SW510
Seiko 4R36
Type
Manual
Automatic
Power Reserve
63h
41h

Pricing

1 specs
MSRP
$2,200
$755
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Reviews

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

Massena LAB Studio Underd0g x Massena LAB Champagne & Caviar

The Massena LAB Studio Underd0g x Massena LAB Champagne & Caviar is praised for its unique two-layer dial with a champagne sunray base and caviar-textured subdial, executed with surprising subtlety for daily wear. Owners note the manual-wind Sellita SW510M movement is rated at ±5 seconds per day. The watch is priced at $3,500. On balance, owners and reviewers rate the Massena LAB Studio Underd0g x Massena LAB Champagne & Caviar highly for its playful yet subtle dial design and precise timekeeping.

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.