Seiko Cal. 6378 - 909

This Spring Drive model from 1989 features a 39mm Gold-Plated case. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-f254dec11270]

Also known as: Helmet, Rally

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Champagne

Jewels

26j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1989

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