Side by side

Oak & Oscar The Humboldt Seven YearvsSeiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition

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

What people say

Owners + reviewers, side by side

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

Oak & Oscar The Humboldt Seven Year

Oak & Oscar The Humboldt Seven Year owners note the hand-machined brass bezel and hand-finished dial. One owner reports the Sellita SW300 movement timed at -5 seconds per day, and another owner observed minor imperfections on the dial and crystal, along with a small ding on a lug. On balance, owners appreciate the unique dial and bezel finishing, though some minor cosmetic flaws have been noted.

Seiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition

The Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition features a 40mm case, 300m water resistance, and a 72-hour power reserve from the Calibre 6R55 movement, with a new grey bezel insert and a wave-patterned silvery-white dial. Owners find the watch attractive and the large case wears well without feeling bulky. However, some consider the price of €1900 for a 6R54 movement with an accuracy of +25/-15 seconds per day to be too high, and the production run of 6000 units is not seen as a true limited edition. Overall, owners find the Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition aesthetically pleasing with good wearability, but express concerns regarding its value proposition and movement accuracy for the price.

At a glance

15 of 29 specs differ
Diameter
The Humboldt Seven Year39.5mm
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition42mm
Power Reserve
The Humboldt Seven Year42h
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition72h
Water Resistance
The Humboldt Seven Year200m
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition300m
MSRP
The Humboldt Seven Year$2,400
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition$1,750

Full specifications

Case

6 specs
Category
Tool
Diver
Diameter
39.5mm
42mm
Thickness
12.4mm
13.3mm
Lug-to-Lug
46.8mm
48.6mm
Material
316L Stainless Steel + Brass
Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

3 specs
Crystal Shape
Double-domed
Flat
AR Coating
Underside
Anti-reflective coating on inner surface
Lume
Super-LumiNova
LumiBrite on hands, index(es) and bezel

Movement

5 specs
Caliber
Sellita SW300-1
6R54
Beat Rate
4 vph
28,800 vph
Power Reserve
42h
72h
Jewels
25
24
Complications
GMT, Chronograph, Date
None

Pricing

1 specs
MSRP
$2,400
$1,750
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