Side by side

Lum-Tec Solar MarinevsNivada Grenchen Autochron

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

Solar Marine
Lum-TecSolar Marine
MSRP $463
Autochron
Nivada GrenchenAutochron
MSRP $2,495

At a glance

15 of 29 specs differ
Diameter
Solar Marine39mm
Autochron38mm
Power Reserve
Solar Marine40h
Autochron42h
Water Resistance
Solar Marine300m
Autochron200m
MSRP
Solar Marine$463
Autochron$2,495

Full specifications

Case

8 specs
Category
Diver
Chronograph
Diameter
39mm
38mm
Thickness
10.7mm
38mm
Lug-to-Lug
43.5mm
46mm
Material
316L Stainless Steel (DLC coated)
Stainless Steel
Finish
Brushed and polished
Brushed + Polished
Water Resistance
300m
200m
Caseback
Solid
316L Steel Silver Color Caseback

Crystal & Dial

3 specs
Dial Color
Steel
Matt Blue Small texture +Super White Lum thick Printed 7506C Super Lum. Dots +White thick Printed logo
Indices
Applied
Baton
Lume
None
Super-LumiNova

Movement

3 specs
Caliber
ETA Valjoux 7750
Beat Rate
28,800 vph
28 vph
Power Reserve
40h
42h

Pricing

1 specs
MSRP
$463
$2,495

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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.

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.

Nivada Grenchen Autochron

Owners praise the Nivada Grenchen Autochron's dial, with one owner calling it amazing. The Autochron Mechaquartz is noted for its squared profile and the comfort of its expansion bracelet on smaller wrists.

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