Seiko Cal. 6378 - 994

This Spring Drive model from 1989 features a 43mm Two-Tone case. It features a White dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-12b03891edbe]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1989

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