Seiko Cal. 6378 - 500

The Seiko 6378-500 represents an important milestone in Seiko's 1976 lineup. It features a White dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-96417e196c1e]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1976

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