Seiko Cal. 7021 - 391

The Seiko 7021-391 represents an important milestone in Seiko's 1991 lineup. It features a Green dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-bb7ddda5a3ec]

Also known as: Crown

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

34mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1991

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