MMI Watches Cuttlechron Wave 316L SS (TRI-Lume) Model: CCS-10vsSeiko 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.

Cuttlechron Wave 316L SS (TRI-Lume) Model: CCS-10

Prospex Sea
Diameter
42mm
43.8mm
Lug-to-Lug
n/a
48.7mm
Thickness
12.5mm
lowest
12.8mm
Water Resistance
150m
200m
highest
Power Reserve
n/a
41h
MSRP
$475
lowest
$625
Movement
Miyota 9039
Seiko 4R35
Case
4 specsCrystal & Dial
3 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the MMI Watches CUTTLECHRON WAVE 316L SS (TRI-LUME) MODEL: CCS-10 for its excellent finishing and comfortable wearability, with one owner noting it exceeded expectations beyond its novelty dial. The watch is anticipated to feature great lume, a trait that MMI's lume is positively recognized for within the community. On balance, owners rate the MMI Watches CUTTLECHRON WAVE 316L SS (TRI-LUME) MODEL: CCS-10 highly due to its finishing and wearability, with a strong expectation for its luminous performance.
The Seiko Prospex Sea is widely praised for its excellent value as a sport watch, with owners highlighting its comfortable wearability and generous lume. Reviewers note its solid build quality and attractive design, with some specifically mentioning the matte black dial as a strong point. One owner reports accuracy around +1 to +2 seconds per day. The 43.8mm case size is considered substantial by some, and one owner found the watch heavy and thick, regretting not choosing a different variant. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its blend of classic design and modern utility at an accessible price point.
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