Side by side

Seiko 5 Sports Field seriesvsTornek-Rayville TR-660 Acrylic Date

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

5 Sports Field series
Seiko5 Sports Field series
MSRP $315
TR-660 Acrylic Date
Tornek-RayvilleTR-660 Acrylic Date
What people say

Owners + reviewers, side by side

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

Seiko 5 Sports Field series

The Seiko 5 Sports Field series is praised for its value, offering an accessible explorer-style watch with a GMT complication and excellent legibility thanks to LumiBrite on the dial and bezel. The watches feature a 41mm stainless steel case, 100m water resistance, and are powered by either the 4R36 or 4R34 movement, both with a 41-hour power reserve. One reviewer notes the inclusion of a compass bezel with a lumed pearl and fully lumed Arabic numerals on the dial for the non-GMT models. Overall, reviewers consider the Seiko 5 Sports Field GMT models good value under 500 euros.

Tornek-Rayville TR-660 Acrylic Date

Owners widely praise the exceptional build quality for the price, noting a solid feel, quiet rotor, and good bezel action on the Tornek-Rayville TR-660 Acrylic Date. Reviewers highlight its utilitarian, non-reflective matte black dial and the inclusion of a moisture detector, echoing its military-issued predecessor. One owner found the lume dim and short-lived. Overall, owners rate the Tornek-Rayville TR-660 Acrylic Date highly for its robust construction and military-inspired design cues at its price point.

At a glance

13 of 29 specs differ
Diameter
5 Sports Field series39.4mm
TR-660 Acrylic Date40mm
Power Reserve
5 Sports Field series41h
TR-660 Acrylic Date50h
Water Resistance
5 Sports Field series100m
TR-660 Acrylic Date200m
MSRP
5 Sports Field series$315
TR-660 Acrylic Date

Full specifications

Case

5 specs
Category
Sport
Diver
Diameter
39.4mm
40mm
Thickness
13.2mm
14.7mm
Lug-to-Lug
48.1mm
48.5mm
Water Resistance
100m
200m

Crystal & Dial

4 specs
Crystal
Hardlex
Sapphire
Crystal Shape
Curved
Flat
AR Coating
Inner
Yes
Lume
LumiBrite on hands and index(es)
Superluminova

Movement

3 specs
Caliber
4R36
TMI NH38
Power Reserve
41h
50h
Jewels
24
25

Pricing

1 specs
MSRP
$315
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