Side by side

Seiko AlpinistvsSeiko Prospex Sea 1965 Heritage Diver's Watch

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

Alpinist
SeikoAlpinist
MSRP $750
What people say

Owners + reviewers, side by side

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

Seiko Alpinist

Owners widely praise the Seiko Prospex Land Mechanical for its durability, accuracy, and value, with many appreciating its versatile style and useful day-date complication. Some owners highlight the 70-hour power reserve and 20 bar water resistance as significant benefits. However, opinions are divided on its size and thickness, with some finding it too large and heavy for a field watch, while others consider it a perfect or comfortable fit, especially at 38mm. There is also disagreement regarding the crystal type, with some criticizing the Hardlex while others appreciate the sapphire. Overall, owners rate the Seiko Prospex Land Mechanical highly for its robust performance and good value, despite differing views on its dimensions.

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.

At a glance

9 of 29 specs differ
Diameter
Alpinist39.5mm
Prospex Sea 1965 Heritage Diver's Watch40mm
Power Reserve
Alpinist70h
Prospex Sea 1965 Heritage Diver's Watch72h
Water Resistance
Alpinist200m
Prospex Sea 1965 Heritage Diver's Watch300m
MSRP
Alpinist$750
Prospex Sea 1965 Heritage Diver's Watch$1,300

Full specifications

Case

4 specs
Category
Field
Diver
Diameter
39.5mm
40mm
Thickness
13.2mm
13mm
Water Resistance
200m
300m

Crystal & Dial

2 specs
Crystal Shape
Flat
Curved
Lume
LumiBrite on hands and index(es)
LumiBrite on hands, index(es) and bezel

Movement

2 specs
Caliber
Seiko 6R35
6R55
Power Reserve
70h
72h

Pricing

1 specs
MSRP
$750
$1,300
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