Side by side

Tornek-Rayville CISO M38 FieldvsSpinnaker Spence 300

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

CISO M38 Field
Tornek-RayvilleCISO M38 Field
MSRP $695
Spence 300
SpinnakerSpence 300
MSRP $650

At a glance

12 of 29 specs differ
Diameter
CISO M38 Field38mm
Spence 30040mm
Power Reserve
CISO M38 Field42h
Spence 30040h
Water Resistance
CISO M38 Field100m
Spence 300300m
MSRP
CISO M38 Field$695
Spence 300$650

Full specifications

Case

6 specs
Category
Diver
Diameter
38mm
40mm
Thickness
12.45mm
11.5mm
Lug-to-Lug
43.6mm
48mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Black
Aquamarine
Lume
Superluminova
None

Movement

2 specs
Caliber
TMI NH36
SII NH35A
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$695
$650

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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.

Tornek-Rayville CISO M38 Field

Owners widely report the Tornek-Rayville CISO M38 Field offers high overall quality with a comfortable bracelet featuring single-sided screw links. The watch exhibits minimal wear, with only hairline scratches and a faint, difficult-to-photograph bezel mark. On balance, owners value the Tornek-Rayville CISO M38 Field for its robust build and comfortable wearability.

Spinnaker Spence 300

The Spinnaker Spence 300 is widely praised for its slim 10.9mm case and 40mm diameter, offering a comfortable and uncommon thin diver design at its price point. Reviewers and owners highlight its value, especially below $350, and its blend of retro design with modern specifications, including a 300m depth rating and a fully indexed bezel. Some owners, however, find the dial printing and bracelet finishing to be less refined, with one noting the bracelet's male end links as a drawback. The consensus is that the Spinnaker Spence 300 is highly regarded for its exceptional value and wearable dimensions, making it a strong contender for an everyday sports watch.

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