Seiko Cal. 6378 - 433

The Seiko 6378-433 represents an important milestone in Seiko's 1983 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-10c4ea5557b7]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Burgundy

Jewels

20j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1983

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