Side by side

Seiko Prospex SeavsSeiko 62MAS

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

Owners widely praise the Seiko Prospex Sea for its excellent value, solid build, and comfortable wearability, with specific mentions of its matte black dial, excellent lume, and cushion case that wears smaller than its dimensions suggest. The 4R36 movement is noted for hacking and hand-winding capabilities, and the bezel action is described as smooth and precise. Some owners find the watch to be a legitimate tool with a fair price, while others describe it as big, thick, and heavy, uncomfortable for smaller wrists, though this is subjective as one owner found the size perfect. The solar quartz movement is also highlighted as a collection-worthy feature. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its exceptional value and comfortable, classic design.

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.

At a glance

8 of 29 specs differ
Diameter
Prospex Sea42mm
62MAS40.5mm
Power Reserve
Prospex Sea72h
62MAS70h
Water Resistance
Prospex Sea300m
62MAS200m
MSRP
Prospex Sea
62MAS$1,200

Full specifications

Case

4 specs
Diameter
42mm
40.5mm
Thickness
13.3mm
13.2mm
Lug-to-Lug
48.6mm
47.6mm
Water Resistance
300m
200m

Crystal & Dial

1 specs
Crystal Shape
Curved

Movement

2 specs
Caliber
6R54
Seiko 6R35
Power Reserve
72h
70h

Pricing

1 specs
MSRP
$1,200
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