Seiko Cal. 6321 - 594

This Quartz model from 1970 features a 36mm PVD Black case. With its 19mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-3512fa26fc9c]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

36mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1970

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