BOLDR Supply Co. Expedition II EverestvsSeiko Prospex Sea 1965 Heritage Diver's Watch

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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.

BOLDR Supply Co. Expedition II Everest at true scale

Expedition II Everest

Seiko Prospex Sea 1965 Heritage Diver's Watch at true scale

Prospex Sea 1965 Heritage Diver's Watch

Diameter

41mm

40mm

Lug-to-Lug

n/a

46.4mm

Thickness

14mm

13mm

lowest

Water Resistance

200m

300m

highest

Power Reserve

n/a

72h

MSRP

$699

lowest

$1,300

Movement

Sellita SW200-1

Seiko 6R55

Case

4 specs
Diameter
41mm
40mm
Thickness
14mm
13mm
Lug-to-Lug
n/a
46.4mm
Water Resistance
200m
300m

Crystal & Dial

4 specs
Crystal Shape
n/a
Curved
AR Coating
n/a
Anti-reflective coating on inner surface
Dial Color
n/a
n/a
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Sellita SW200-1
Seiko 6R55
Power Reserve
0h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$699
$1,300
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Reviews

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

BOLDR Supply Co. Expedition II Everest

Owners widely praise the BOLDR Supply Co. Expedition II Everest for its compact 41mm wearability and surprisingly deep dial, with reviewers highlighting its excellent lume. The Sellita SW200-1 movement is noted for running within acceptable daily accuracy ranges, between +4 and -3 seconds per day. However, the included silicone or EPDM rubber strap is consistently criticized as stiff and a dust magnet, with one owner finding bezel rotation inconsistent when screwing down the crown. On balance, owners and reviewers rate the BOLDR Supply Co. Expedition II Everest highly for its wearability and lume, despite the strap being a common point of criticism.

Seiko Prospex Sea 1965 Heritage Diver's Watch

Owners widely praise the Seiko Prospex Sea 1965 Heritage Diver's Watch for its refined engineering, comfortable 40mm case, and improved 300m water resistance. The watch is noted for its better build quality and finishing compared to some alternatives, featuring a mix of polished and brushed surfaces, with specific callouts for the jewel-toned teal dial with a rippling-water pattern. Some owners consider the price fair, while others suggest it is too high. Accuracy figures vary, with some owners reporting their 6R55 movement performs well within +/- 10 seconds per day, while others note theirs runs slow or have concerns about QC for the price. The bracelet, while improved, lacks modern features like quick-release or extensive micro-adjustments. Overall, owners and reviewers rate the Seiko Prospex Sea 1965 Heritage Diver's Watch highly for its refined design and build quality at its price point.

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