Side by side

Seiko 62MASvsTornek-Rayville TR-660 Acrylic Non-date

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

62MAS
Seiko62MAS
MSRP $1,200
TR-660 Acrylic Non-date
Tornek-RayvilleTR-660 Acrylic Non-date

At a glance

10 of 29 specs differ
Diameter
62MAS40.5mm
TR-660 Acrylic Non-date40mm
Power Reserve
62MAS70h
TR-660 Acrylic Non-date50h
Water Resistance
62MAS200m
TR-660 Acrylic Non-date200m
MSRP
62MAS$1,200
TR-660 Acrylic Non-date

Full specifications

Case

3 specs
Diameter
40.5mm
40mm
Thickness
13.2mm
14.7mm
Lug-to-Lug
47.6mm
48.5mm

Crystal & Dial

3 specs
Crystal Shape
Curved
Flat
AR Coating
Anti-reflective coating on inner surface
Yes
Lume
LumiBrite on hands, index(es) and bezel
Superluminova

Movement

3 specs
Caliber
6R35
TMI NH38
Power Reserve
70h
50h
Jewels
24
25

Pricing

1 specs
MSRP
$1,200

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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.

Tornek-Rayville TR-660 Acrylic Non-date

The Tornek-Rayville TR-660 Acrylic Non-date is a 40mm bead-blasted stainless steel watch with a utilitarian matte black dial and a moisture detector, measuring 14.7mm thick and 48.5mm lug-to-lug, featuring a subtly domed, AR-coated crystal. One owner notes a preference for a different watch's bezel-locking mechanism but appreciates the TR-660's 20mm lug size. Another owner reports damage to the case and bezel, though it includes unused and worn straps. On balance, owners find the Tornek-Rayville TR-660 Acrylic Non-date to have a timeless design that remains appealing.

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