Halios Seaforth IVvsBoldr Odyssey 40mm

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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.

Halios Seaforth IV at true scale

Seaforth IV

Boldr Odyssey 40mm at true scale

Odyssey 40mm

Diameter

40mm

40mm

Lug-to-Lug

46.5mm

lowest

48mm

Thickness

12.4mm

lowest

12.5mm

Water Resistance

200m

300m

highest

Power Reserve

n/a

42h

MSRP

$765

lowest

$799

Movement

Sellita SW200-1

Miyota 9075

Case

3 specs
Thickness
12.4mm
12.5mm
Lug-to-Lug
46.5mm
48mm
Water Resistance
200m
300m

Crystal & Dial

4 specs
Crystal
Sapphire (double-domed)
Sapphire
AR Coating
n/a
Yes
Dial Color
Blue
Aurora
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
Sellita SW200-1
Miyota 9075
Power Reserve
0h
42h

Pricing

1 specs
MSRP
$765
$799
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Reviews

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

Halios Seaforth IV

Owners widely praise the Halios Seaforth IV's wearability on smaller wrists, citing its manageable 40mm case and 47mm lug-to-lug distance. Admiration is frequently directed towards the sunburst blue dial and the well-executed lume on the sapphire bezel. Some owners find the steel bracelet bland on stainless steel variants, and a few express a desire for white dials or larger case sizes. One owner notes the sapphire bezel is flat and taller than preferred. On balance, owners rate the Halios Seaforth IV highly for its accessible size and quality finishing at its price point.

From video reviewers

The sunburst blue dial is a standout feature. Limited water resistance is a shared concern.

Boldr Odyssey 40mm

Owners praise Boldr for impressive specifications and value, with one owner noting the Odyssey Black Dragonfish has superior specs and movement compared to other models. A separate owner finds the Venture to be an exceptional value and versatile with strap changes. However, one owner feels the Venture's size is borderline for an 8-inch wrist. Overall, owners rate Boldr highly for its value and specifications.