Seiko Cal. 6378 - 164

Released in 1991, the Cal. 6378 with design code 164 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-d51af8f4a112]

Also known as: Helmet, Rally

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

35mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Champagne

Jewels

27j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1991

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