Seiko Cal. 6380 - 636

The Seiko 6380-636 represents an important milestone in Seiko's 1981 lineup. It features a Black dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-867ab1862ce5]

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1981

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