Seiko Cal. 3820 - 871

This Automatic model from 1988 features a 40mm Two-Tone case. It features a Black dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-6fb28764a7d1]

Also known as: World Timer, Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1988

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