Side by side

Citizen Series 8 870vsTornek-Rayville Blakjak Time-elapse

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

Series 8 870
CitizenSeries 8 870
MSRP $1,595
Blakjak Time-elapse
Tornek-RayvilleBlakjak Time-elapse
MSRP $895

At a glance

12 of 29 specs differ
Diameter
Series 8 87040.8mm
Blakjak Time-elapse42.5mm
Power Reserve
Series 8 87050h
Blakjak Time-elapse42h
Water Resistance
Series 8 870100m
Blakjak Time-elapse200m
MSRP
Series 8 870$1,595
Blakjak Time-elapse$895

Full specifications

Case

6 specs
Category
Dress
Diver
Diameter
40.8mm
42.5mm
Thickness
12mm
13.2mm
Lug-to-Lug
46mm
49mm
Lug Width
11mm
22mm
Water Resistance
100m
200m

Crystal & Dial

3 specs
AR Coating
Underside
Yes
Dial Color
Grey
Black
Lume
None
Superluminova

Movement

2 specs
Caliber
0950
SII NH36
Power Reserve
50h
42h

Pricing

1 specs
MSRP
$1,595
$895

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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.

Citizen Series 8 870

The Citizen Series 8 870 is praised for its sharp 40mm steel case with unique bezel construction and a glossy dial featuring finely brushed and polished applied hour markers. It is powered by the in-house caliber 0950 automatic movement, which operates at 4Hz and offers a 50-hour power reserve with enhanced magnetic resistance. The limited edition features a black Duratect DLC coated case, a carbon fiber dial, and is regulated to -5/+10 seconds per day. On balance, reviewers highlight the Series 8 870's distinctive case finishing and the robust in-house movement as key strengths.

Tornek-Rayville Blakjak Time-elapse

The Tornek-Rayville Blakjak Time-elapse is a rugged, dive-capable field watch, an evolution of a 1990s military concept. It features a 42.5mm stainless steel case, a sapphire crystal, and a Seiko NH36 automatic movement with a 40-hour power reserve. The dial is busy but functional, and the watch features Super-LumiNova BGW9. On balance, reviewers note the Tornek-Rayville Blakjak Time-elapse is a modernized military watch with robust dive capabilities.

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