CWC RN Quartz Divers Watch Mk.2 Day/Date, Matte TopvsLum-Tec Solar Marine
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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.

RN Quartz Divers Watch Mk.2 Day/Date, Matte Top

Solar Marine
Diameter
41mm
39mm
Lug-to-Lug
47mm
43.5mm
lowest
Thickness
n/a
10.7mm
Water Resistance
300m
300m
MSRP
$951
$595
lowest
Movement
Ronda 517
Seiko VS42
Case
3 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners and reviewers widely praise the CWC (Cabot Watch Company) RN Quartz Divers Watch Mk.2 Day/Date, Matte Top for its legible, classic dial design, excellent lume that lasts all night, and comfortable 41mm case size. The 120-click bezel is described as having a solid feel and being "perfection," with the quartz seconds hand hitting markers precisely. Sources note the matte top case with polished sides and the sapphire crystal as significant upgrades. Some reviewers question its value proposition, with one owner noting the "vintage tinted" paint on the dial markers and hands appears slightly too gold and glossy, and another mentioning the case is polished on all surfaces. Overall, owners and reviewers rate the CWC (Cabot Watch Company) RN Quartz Divers Watch Mk.2 Day/Date, Matte Top highly for its durable construction and classic military dive aesthetic.
Owners widely praise the Lum-Tec Solar Marine for its exceptional lume, rugged build quality, and comfortable 39mm wearability, with some noting it wears smaller than its stated size. The solar quartz movement is appreciated for its accuracy and minimal maintenance, and the finishing is consistently described as fantastic, with no reported misalignments. However, some owners find the price high for a solar quartz watch, and one owner anticipates the PVD coating will wear within a year. The second hand's lume is also noted to fade faster than the dial markers. On balance, owners and reviewers rate the Lum-Tec Solar Marine highly for its outstanding lume and tool-watch utility at the price.
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