Elliot Brown HOLTON AUTOMATIC: 101-A10vsSeiko Prospex 1968 Mechanical Divers Modern Design
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

HOLTON AUTOMATIC: 101-A10

Prospex 1968 Mechanical Divers Modern Design
Diameter
43mm
44mm
Thickness
14mm
13.1mm
lowest
Water Resistance
200m
200m
Power Reserve
40h
50h
highest
MSRP
$792
$570
lowest
Movement
Seiko NH35
Seiko 6R15
Case
2 specsCrystal & Dial
1 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Elliot Brown HOLTON AUTOMATIC: 101-A10 is noted as an issued watch for UKSF, bearing a crow's foot and NSN marking. One owner reports the dial lume is lackluster, potentially due to the vintage aesthetic influencing the choice of Super-LumiNova. Overall, owners rate the Elliot Brown HOLTON AUTOMATIC: 101-A10 for its military provenance and issued status.
The Seiko Prospex 1968 Mechanical Divers Modern Design is praised for its impressive finishing and blend of heritage and modern design, with a hard-coated steel case for scratch resistance. Its 44mm case wears smaller than dimensions suggest. Some owners find the dial color and overall aesthetic less appealing than other options. The 6R15 movement provides 50 hours of power reserve. Overall, owners and reviewers rate the Seiko Prospex 1968 Mechanical Divers Modern Design highly for its finishing and wearability at the price.
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