Side by side

Seiko Prospex Sea 1965 Heritage Diver's WatchvsUndone Basecamp Collector

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.

Seiko Prospex Sea 1965 Heritage Diver's Watch

The Seiko Prospex Sea 1965 Heritage Diver's Watch is praised for its refined engineering and updated features, including a 300m water resistance and a 72-hour power reserve from the Caliber 6R55 movement in a 40mm case. Owners note its better build quality and interesting finishing with a mix of polished and brushed surfaces. The "Tranquil Teal" variant features a jewel-toned dial with a rippling-water pattern. However, some owners consider the price too high, and concerns exist regarding the accuracy of the 6R movements, with some reporting theirs run slow. One review notes a reflective dial that impacts legibility. On balance, owners and reviewers appreciate the Seiko Prospex Sea 1965 Heritage Diver's Watch for its refined design and improved specifications over previous generations, despite some reservations about movement accuracy and price.

Undone Basecamp Collector

The Undone Basecamp Collector is widely praised for its vintage-inspired design and excellent value, with owners appreciating the customization options and helpful service. Reviewers highlight the 40mm steel case and the bi-directional bezel with good friction. Some owners report accuracy around 20 seconds off per week, while others note the Seiko NH35 movement requires occasional time adjustments. The watch features a domed crystal and a lumed triangle on the bezel. The base price is around $300. Overall, owners and reviewers rate the Undone Basecamp Collector highly for its attractive design and value at the price point.

At a glance

14 of 29 specs differ
Diameter
Prospex Sea 1965 Heritage Diver's Watch40mm
Basecamp Collector40mm
Power Reserve
Prospex Sea 1965 Heritage Diver's Watch72h
Basecamp Collector
Water Resistance
Prospex Sea 1965 Heritage Diver's Watch300m
Basecamp Collector100m
MSRP
Prospex Sea 1965 Heritage Diver's Watch$1,300
Basecamp Collector$695

Full specifications

Case

6 specs
Category
Diver
Thickness
13mm
0mm
Lug-to-Lug
46.4mm
0mm
Lug Width
20mm
0mm
Material
Stainless Steel
Titanium
Water Resistance
300m
100m

Crystal & Dial

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

Movement

3 specs
Caliber
6R55
Seiko NH34
Power Reserve
72h
0h
Jewels
24
0

Pricing

1 specs
MSRP
$1,300
$695
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