Seiko Cal. 6344 - 578

This Spring Drive model from 1969 features a 45mm Stainless Steel case. With its 21mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-bdcd67babd76]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1969

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