Side by side

Oris Divers Sixty‑Five Calibre 400vsDryden Heartlander Automatic

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

Divers Sixty‑Five Calibre 400
OrisDivers Sixty‑Five Calibre 400
MSRP $4,100
Heartlander Automatic
DrydenHeartlander Automatic
MSRP $600

At a glance

17 of 29 specs differ
Diameter
Divers Sixty‑Five Calibre 40038mm
Heartlander Automatic38mm
Power Reserve
Divers Sixty‑Five Calibre 400120 hoursh
Heartlander Automatic40h
Water Resistance
Divers Sixty‑Five Calibre 400100m
Heartlander Automatic101m
MSRP
Divers Sixty‑Five Calibre 400$4,100
Heartlander Automatic$600

Full specifications

Case

7 specs
Category
Diver
Field
Thickness
11.2mm
Lug-to-Lug
46mm
Lug Width
19mm
20mm
Finish
Brushed and polished
Water Resistance
100m
101m
Caseback
Solid

Crystal & Dial

5 specs
Crystal
Sapphire
Domed Sapphire
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Green
Goldfinch
Indices
Applied

Movement

4 specs
Caliber
400
Miyota 9039
Beat Rate
4 vph
28,800 vph
Power Reserve
120 hoursh
40h
Jewels
21
25

Pricing

1 specs
MSRP
$4,100
$600

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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.

Oris Divers Sixty‑Five Calibre 400

Owners and reviewers widely praise the Oris Divers Sixty-Five Calibre 400 for its refined finishing, comfortable bracelet, and the impressive Calibre 400 movement with its 5-day power reserve and 10-year warranty. The domed sapphire crystal and vintage-inspired design, including the tapered bracelet with rivets, are frequently highlighted. Accuracy is reported between +1.6 seconds per day and exceeding the 120-hour power reserve. However, some owners find the $3900 price point high, with one reporting a date wheel failure within a month and significant daily timekeeping issues after repair. The 10atm water resistance rating is also noted as a potential drawback by some. Overall, owners and reviewers rate the Oris Divers Sixty-Five Calibre 400 highly for its upgraded movement and compelling value.

From video reviewers

The 5-day power reserve of the Calibre 400 movement is a key strength. Reviewers did not reach a consensus on any weaknesses.

Dryden Heartlander Automatic

The Dryden Heartlander Automatic is widely praised for its versatility, comfortable 38mm case that wears smaller than its dimensions suggest, and excellent dial variety. Reviewers highlight its value at $500, noting good finishing, a domed sapphire crystal, and 100m water resistance. The tapering bracelet with solid links is also considered comfortable. One owner notes the crown may protrude slightly and irritate some wearers. On balance, owners and reviewers rate the Dryden Heartlander Automatic highly for its combination of wearability, features, and value.

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