Seiko Cal. 6378 - 387

The Seiko 6378-387 represents an important milestone in Seiko's 1983 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-c9393cb18ad8]

Also known as: UFO, Navigator

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Champagne

Jewels

36j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1983

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