Seiko Cal. 6378 - 846

The 6378-846 is a sought-after Spring Drive piece from Seiko's golden era. It features a Burgundy dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-5acd1f5c91e0]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Burgundy

Jewels

28j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1989

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