Seiko Cal. 6378 - 423

The Seiko 6378-423 represents an important milestone in Seiko's 1987 lineup. It features a Black dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-28f38a4348f8]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1987

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