Seiko Cal. 6378 - 331

The Seiko 6378-331 represents an important milestone in Seiko's 1968 lineup. It features a Champagne dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-fd7420ea7d9c]

Also known as: Shogun

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Champagne

Jewels

26j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1968

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