Seiko Cal. 6392 - 621

The Seiko 6392-621 represents an important milestone in Seiko's 1978 lineup. It features a Black dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-8888e2e5277c]

Also known as: Helmet, Sea Horse

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1978

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