Seiko Cal. 6364 - 858

Released in 1977, the Cal. 6364 with design code 858 was part of Seiko's domestic market collection. With its 18mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-a37ee9adb4a8]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1977

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