Seiko Cal. 4568 - 638

Released in 1978, the Cal. 4568 with design code 638 was part of Seiko's domestic market collection. It features a Cream dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-e444327879e9]

Also known as: Helmet, Rally

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1978

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