Side by side

Boldr Odyssey FreedivervsSeestern S456 GMT

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

Odyssey Freediver
BoldrOdyssey Freediver
MSRP $649
S456 GMT
SeesternS456 GMT
MSRP $299

At a glance

16 of 29 specs differ
Diameter
Odyssey Freediver40mm
S456 GMT41mm
Power Reserve
Odyssey Freediver40h
S456 GMT41hh
Water Resistance
Odyssey Freediver300m
S456 GMT200m
MSRP
Odyssey Freediver$649
S456 GMT$299

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
40mm
41mm
Thickness
14.2mm
13mm
Lug-to-Lug
48mm
49mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Brushed + Polished
Water Resistance
300m
200m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
202
Sunray style, applied and Diamond cut Indices, C1 lume
Lume
Super-LumiNova
C1

Movement

5 specs
Caliber
Cal
Seiko NH34
Beat Rate
28,800 vph
3 vph
Power Reserve
40h
41hh
Jewels
25
24
Complications
None
GMT

Pricing

1 specs
MSRP
$649
$299

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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.

Boldr Odyssey Freediver

The Boldr Odyssey Freediver is praised for its bead-blasted steel case with polished bevels and a custom steel bracelet designed for wrist curvature. Reviewers note its strong legibility, applied details, and vintage-inspired date window on fresh dial colors. The 44mm case is surgical-grade steel with a brushed finish and angular lugs, water-resistant to 300 meters. It houses a Miyota 9075 movement with a jumping local hour function. On balance, reviewers highlight the Boldr Odyssey Freediver's thoughtful case finishing and functional movement with a local hour complication.

Seestern S456 GMT

Owners widely praise the Seestern S456 GMT for its exceptional value and finishing that exceeds expectations, with one owner noting its accuracy surpasses that of their Seiko 5. The dial displays a pearl-like rainbow effect. Some owners would prefer a bidirectional bezel over the current unidirectional one. The Seestern S456 GMT features an NH34 movement, a 39.5mm case, sapphire crystal, and an adjustable clasp. On balance, owners rate the Seestern S456 GMT highly for its impressive finishing and value proposition at its price point.

From video reviewers

The watch features stunning, detailed finishing that is difficult to top. Reviewers did not reach a consensus on any weaknesses.

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