Seiko Cal. 6379 - 657

Released in 1967, the Cal. 6379 with design code 657 was part of Seiko's domestic market collection. It features a White dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-ebc8fad84a20]

Also known as: Helmet, Rally

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1967

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