Seiko Cal. 5690 - 984

This Quartz model from 1987 features a 41mm Titanium case. It features a Navy dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-1ca47ee75236]

Also known as: Tuna, Bullhead

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

41mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

35j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1987

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