Seiko Cal. 3870 - 800

The Seiko 3870-800 represents an important milestone in Seiko's 1999 lineup. It features a Navy dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-ad613bd221dc]

Also known as: Helmet, Flighty

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1999

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