Side by side

Citizen Series 8 870vsGlycine Sea Kraken

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

Series 8 870
CitizenSeries 8 870
MSRP $1,095
Sea Kraken
GlycineSea Kraken
MSRP $1,600

At a glance

17 of 29 specs differ
Diameter
Series 8 87039mm
Sea Kraken39mm
Power Reserve
Series 8 87042h
Sea Kraken38h
Water Resistance
Series 8 870100m
Sea Kraken150m
MSRP
Series 8 870$1,095
Sea Kraken$1,600

Full specifications

Case

7 specs
Category
Sport
Diver
Thickness
12mm
12.7mm
Lug-to-Lug
46mm
Lug Width
11mm
22mm
Finish
Brushed and polished
Water Resistance
100m
150m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Underside
Dial Color
Green
White
Indices
Applied
Lume
None
Luminous

Movement

4 specs
Caliber
9051
SW200-1
Power Reserve
42h
38h
Jewels
25
26
Complications
None
Date

Pricing

1 specs
MSRP
$1,095
$1,600

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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 compelling value proposition and modern Japanese design with a sporty edge. Reviewers note its 40mm steel case, glossy dial with applied markers, and the in-house Calibre 0950 automatic movement offering 50 hours of power reserve and enhanced magnetic resistance. The flat sapphire crystal is noted to collect fingerprints, and the solid caseback omits a view of the movement. The limited edition variant features a 40.8mm black DLC-coated case, a carbon fiber dial, and the 0950 movement regulated to -5/+10 seconds per day. Overall, the Citizen Series 8 870 is viewed as a strong offering for its blend of design and features.

Glycine Sea Kraken

The Glycine Sea Kraken is widely praised for its retro design and excellent case finishing for its price, with reviewers noting crisp dial printing and an elegant stainless steel bezel. Owners report excellent accuracy, with some seeing deviations as low as 1 second per day, though one user observed up to a 6-second loss during high activity. The 39mm size is generally considered comfortable, though its 48mm lug-to-lug measurement may be an issue for smaller wrists. The bezel action is consistently flagged as strong with no back-play. The included leather strap is frequently criticized as unsuitable for a diver and often replaced. On balance, owners and reviewers rate the Glycine Sea Kraken highly for its vintage aesthetic and strong value proposition, particularly given its adjusted Sellita SW200 movement and limited edition status.

From video reviewers

The Glycine Sea Kraken's value at its price point is a significant strength. Reviewers did not reach a consensus on any weaknesses.

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