Seiko Cal. 6378 - 847

The Seiko 6378-847 represents an important milestone in Seiko's 1988 lineup. It features a Green dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-747ae05e0ad9]

Also known as: Bullhead, Silverwave

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1988

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