Henry Archer HavstrømvsSeiko Prospex Marinemaster Marinemaster 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.

Henry Archer Havstrøm at true scale

Havstrøm

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

Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch

Diameter

40mm

39.5mm

Lug-to-Lug

47mm

lowest

47.2mm

Thickness

11mm

lowest

12.3mm

Water Resistance

200m

200m

Power Reserve

n/a

45h

MSRP

$652

lowest

$2,800

Movement

Miyota 9019

Seiko 6L37

Case

4 specs
Diameter
40mm
39.5mm
Thickness
11mm
12.3mm
Lug-to-Lug
47mm
47.2mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

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

Movement

3 specs
Caliber
Miyota 9019
Seiko 6L37
Power Reserve
0h
45h
Jewels
0
26

Pricing

1 specs
MSRP
$652
$2,800
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Reviews

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

Henry Archer Havstrøm

Owners praise the Henry Archer Havstrøm for its pleasing finish and the dial's uncluttered design and legibility, with particular appreciation for the crown's accent. On balance, owners rate the Henry Archer Havstrøm highly for its finishing and dial design at the price point.

Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch

The Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch is praised for its modern execution of a classic design, with reviewers noting the appealing 39.5mm case size and updated bracelet that improve wearability. Some reviewers mention the 6L37 movement has a 46-hour power reserve, with accuracy rated around -10/+15 seconds per day. A drawback identified by reviewers is the lack of tool-free micro-adjustment on the clasp. Overall, owners and reviewers find the Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch to be a handsome re-interpretation of a beloved design, with its improved wearability being a key strength.

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