Seiko Cal. 7021 - 646

The Seiko 7021-646 represents an important milestone in Seiko's 1987 lineup. With its 19mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-395e6837d36e]

Also known as: Tuna, Rally

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1987

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