Shiro Kara Daibāzu: Hulk SUBvsSeiko 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.

Daibāzu: Hulk SUB

Prospex Sea
Diameter
40mm
41mm
Lug-to-Lug
48mm
46.9mm
lowest
Thickness
13.2mm
12.3mm
lowest
Water Resistance
100m
200m
highest
Power Reserve
41h
70h
highest
MSRP
$508
lowest
$900
Movement
Seiko NH35
Seiko 6R35
Case
5 specsCrystal & Dial
4 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Shiro Kara Daibāzu: Hulk SUB for its dial printing, insert, and rehaut finishing, with one owner noting good timegrapher numbers. One owner found the watch waterproof after five days, and another reported it was still running on day six. Some owners note a slightly off-centered 12 marker, and one felt the crystal was not the best, though still looked great. One owner expressed dissatisfaction with the bracelet quality. Overall, owners rate the Shiro Kara Daibāzu: Hulk SUB highly for its dial, insert, and rehaut finishing, with some noting good water resistance.
Owners widely praise the Seiko Prospex Sea for its value and robust build, with many highlighting its excellent lume and attractive design. Some owners find the 41mm case size perfect, while others with smaller wrists consider it too large, thick, and heavy. The stock rubber strap is noted as uncomfortable for land wear by one owner. Overall, owners rate the Seiko Prospex Sea highly for its design and value at the price point.
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