Side by side

Seiko 62MASvsSeiko Prospex Sea

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

62MAS
Seiko62MAS
MSRP $1,200
Prospex Sea
SeikoProspex Sea
MSRP $1,500
What people say

Owners + reviewers, side by side

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

Seiko 62MAS

The Seiko Prospex Sea 1965 Heritage Diver's Watch is praised for its vintage-inspired finishing, crisp bezel action, and build quality. Owners widely report the movement averages within +/- 10 seconds per day, though some note accuracy issues. The 40mm case size is considered by some to wear larger than expected, and the price point is a subject of debate, with some finding it too high and others fair. The watch features a 72-hour power reserve from the Caliber 6R55 movement, a 300-meter depth rating, and a box-shaped sapphire crystal. On balance, owners and reviewers appreciate the Seiko Prospex Sea 1965 Heritage Diver's Watch for its refined design and solid build quality, despite some reservations about its price and perceived size.

Seiko Prospex Sea

Seiko Prospex Sea owners and reviewers praise its Marinemaster-style aesthetic, excellent case finishing, and impressive LumiBrite lume. The watch is powered by the 6R15 movement with a 50-hour power reserve and comes with both a steel bracelet and a silicone strap. Some owners find the Seiko Prospex Sea to be a great value and a suitable first "proper" watch, while others report it is uncomfortably big, thick, and heavy on smaller wrists. Reviewers note the GMT function is secondary with a less prominent scale, and the bezel's quieter clicks may not appeal to all. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its classic design and finishing at its price point.

At a glance

8 of 29 specs differ
Diameter
62MAS40.5mm
Prospex Sea43.5mm
Power Reserve
62MAS70h
Prospex Sea70h
Water Resistance
62MAS200m
Prospex Sea200m
MSRP
62MAS$1,200
Prospex Sea$1,500

Full specifications

Case

5 specs
Diameter
40.5mm
43.5mm
Thickness
13.2mm
13.3mm
Lug-to-Lug
47.6mm
51mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium

Crystal & Dial

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

Pricing

1 specs
MSRP
$1,200
$1,500
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