Seiko Cal. 6378 - 218

The 6378-218 is a sought-after Spring Drive piece from Seiko's golden era. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-5419204f3c79]

Also known as: Samurai, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1987

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