Henry Archer TidevandvsSeiko 62MAS

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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.

Henry Archer Tidevand at true scale

Tidevand

Seiko 62MAS at true scale

62MAS

Diameter

40mm

40.5mm

Lug-to-Lug

47mm

lowest

47.6mm

Thickness

10.7mm

lowest

13.2mm

Water Resistance

200m

200m

Power Reserve

n/a

70h

MSRP

$652

lowest

$1,200

Movement

Miyota 9015

Seiko 6R35

Case

4 specs
Diameter
40mm
40.5mm
Thickness
10.65mm
13.2mm
Lug-to-Lug
47mm
47.6mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

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

Movement

3 specs
Caliber
Miyota 9015
Seiko 6R35
Power Reserve
0h
70h
Jewels
0
24

Pricing

1 specs
MSRP
$652
$1,200
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Reviews

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

Henry Archer Tidevand

Owners widely praise the Henry Archer Tidevand for its exceptional finishing, noting wonderful brushing and beveled polished edges, alongside a spectacular Aventurine dial that evokes a sense of space. Lume is also a standout feature, described as "off the charts" even on the date wheel numerals. The watch is recognized as a purpose-built dive watch with a 120-click bezel and strong nighttime visibility, balancing rugged construction with refined finishing. One owner reported tight bracelet push pins, which was resolved by customer service. The 40mm case is noted as being 10.65mm thin. On balance, owners rate the Henry Archer Tidevand highly for its striking Aventurine dial and excellent lume at its price point.

From video reviewers

The unique gemstone dial is a standout feature. The polished tungsten bezel is a fingerprint magnet. Reviewers disagreed on the practicality of an all-orange watch for daily wear.

Seiko 62MAS

Owners widely praise the Seiko 62MAS for its beautiful vintage-inspired finishing, crisp bezel action, and overall build quality, with many appreciating its comfortable 40.5mm case and slim apparent height. Some owners report accuracy issues with the 6R movement, while others find it runs within specifications, and opinions are split on whether the 40mm size is too large for smaller wrists, with some noting it can wear top-heavy. The price point is considered high by some, though others deem it fair for a new watch. Overall, owners and reviewers rate the Seiko 62MAS highly for its faithful recreation of the original design and refined modern interpretation.

From video reviewers

The 37.5mm-38mm case size is a significant strength, offering a historically accurate and comfortable fit. Reviewers did not agree on any specific weaknesses.

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