Side by side

Nodus Sector II Field TitaniumvsSeiko Astron GPS Solar 2025 Limited Edition

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

Sector II Field Titanium
NodusSector II Field Titanium
MSRP $550
Astron GPS Solar 2025 Limited Edition
SeikoAstron GPS Solar 2025 Limited Edition
MSRP $2,600

At a glance

14 of 29 specs differ
Diameter
Sector II Field Titanium38mm
Astron GPS Solar 2025 Limited Edition42mm
Power Reserve
Sector II Field Titanium41h
Astron GPS Solar 2025 Limited Edition40h
Water Resistance
Sector II Field Titanium100m
Astron GPS Solar 2025 Limited Edition100m
MSRP
Sector II Field Titanium$550
Astron GPS Solar 2025 Limited Edition$2,600

Full specifications

Case

5 specs
Category
Field
GMT
Diameter
38mm
42mm
Thickness
11.7mm
12mm
Lug-to-Lug
47mm
47.9mm
Lug Width
20mm
14mm

Crystal & Dial

4 specs
Crystal Shape
Box
Flat
AR Coating
Yes
Super-clear coating
Dial Color
Black
Lume
Swiss Super-LumiNova® BGW9 Grade A
LumiBrite on hands and index(es)

Movement

4 specs
Caliber
TMI NH38
3X62
Type
Automatic
Quartz
Power Reserve
41h
40h
Jewels
24
10

Pricing

1 specs
MSRP
$550
$2,600

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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.

Nodus Sector II Field Titanium

The Nodus Sector II Field Titanium is lauded for its comfortable, thinner 38mm titanium case with a matte, media-blasted finish and scratch-resistant coating, a standout layered dial design, and a comfortable TecTuff rubber strap. Reviewers note its tough, affordable tool watch nature, featuring olive green Ceracote on the titanium case and a tropical dial with Super-LumiNova BGW9 lume. The TMI NH38 movement provides a 41-hour power reserve, and accuracy is regulated to +/-10 seconds per day. The all-matte finishing lacks the visual refinement of polished elements found on other Nodus models. Overall, reviewers praise the Nodus Sector II Field Titanium for its durable construction and distinctive design at an accessible price point.

Seiko Astron GPS Solar 2025 Limited Edition

The Seiko Astron GPS Solar 2025 Limited Edition is widely praised for its advanced GPS time and date adjustment capabilities, powered by light to eliminate battery changes. Owners and reviewers highlight its impressive accuracy and the convenience of automatic time zone updates, with some specifically commending the wearability of the 39mm size and its clean, simple design. However, reception of the GPS signal requires an unobstructed view of the sky, and manual time zone adjustments are necessary for Daylight Saving Time on some variants. One owner notes a slight imperfection in chapter ring alignment on the 39mm model. On balance, owners and reviewers rate the Seiko Astron GPS Solar 2025 Limited Edition highly for its satellite-powered timekeeping and improved wearability in the 39mm configuration.

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