Aigi Watches Chrono Spitsbergen BCvsCasio EFR-574DE
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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.

Chrono Spitsbergen BC

EFR-574DE
Diameter
43mm
42.3mm
Lug-to-Lug
n/a
47.5mm
Thickness
11mm
lowest
11.4mm
Water Resistance
100m
100m
MSRP
$251
$220
lowest
Movement
Miyota 6S21
Quartz
Case
5 specsCrystal & Dial
3 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Aigi Watches CHRONO SPITSBERGEN BC's dial, noting its textured triangles that catch light and a design inspired by satellite ground station radomes, featuring a steel crown from the Troll Ground Station in Antarctica and a satellite-shaped second hand. Swiss Super-LumiNova is applied to the dial. One owner reported receiving the watch with a Miyota 9015 movement instead of the stated Miyota 6S21 quartz movement. On balance, owners rate the Aigi Watches CHRONO SPITSBERGEN BC highly for its unique dial design and thematic elements.
Owners praise the Casio EFR-574DE for its tool-like aesthetic, responsive pushers, solid 20mm bracelet, day-date complication, and good lume, noting its great size and value. One owner reports the stopwatch reset button causes the hand to move backward before returning to its end point, finds the bezel's 60-second marker misaligned, and considers the watch heavy and defective. On balance, owners appreciate the Casio EFR-574DE for its tool-like aesthetic and functional complications, despite isolated reports of defects and weight.
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