Seiko Cal. 6388 - 981

The Seiko 6388-981 represents an important milestone in Seiko's 1975 lineup. It features a Green dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-308b7f66e341]

Also known as: Monster

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1975

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