Side by side

Citizen Promaster Dive E365vsLum-Tec Solar Marine

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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What people say

Owners + reviewers, side by side

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

Citizen Promaster Dive E365

The Citizen Promaster Dive E365 is lauded for its wearable 46mm lugless case, a striking red gradient dial, and the Cal.E365 Eco-Drive movement with a 365-day power reserve. Owners report comfortable wearability despite its dimensions and weight, with accuracy noted as within one second of an atomic clock. Some find the red dial to appear more brownish than red, and opinions are split on the lume, with one owner finding it underwhelming compared to other Citizen divers while another states their 300m Citizen divers function as "nightlights." The watch's 16.3mm thickness contributes to an industrial feel, and the accordion-style rubber strap may be visually divisive. On balance, owners and reviewers rate the Citizen Promaster Dive E365 highly for its impressive power reserve and comfortable wearability in a robust dive watch package.

Lum-Tec Solar Marine

Lum-Tec Solar Marine owners praise its all-black diver design, excellent lume, and rugged, tank-like build. One owner finds it a perfect fit for a 7-inch wrist and the most frequently worn watch despite its smaller size. However, one owner cautions that the PVD coating will wear and chip within a year, impacting its appearance, and another finds the price high for a solar quartz watch with added lume. On balance, owners rate the Lum-Tec Solar Marine highly for its robust design and excellent lume, despite concerns about PVD durability and value proposition.

At a glance

10 of 29 specs differ
Diameter
Promaster Dive E36546mm
Solar Marine39mm
Power Reserve
Promaster Dive E365
Solar Marine
Water Resistance
Promaster Dive E365300m
Solar Marine300m
MSRP
Promaster Dive E365$544
Solar Marine$463

Full specifications

Case

5 specs
Diameter
46mm
39mm
Thickness
0mm
10.7mm
Lug-to-Lug
0mm
43.5mm
Lug Width
0mm
20mm
Material
Stainless Steel
316L Stainless Steel (DLC coated)

Crystal & Dial

2 specs
AR Coating
Underside
Dial Color
Red
Steel

Movement

2 specs
Caliber
Citizen Eco-Drive E365
Type
Solar
Automatic

Pricing

1 specs
MSRP
$544
$463
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