Seiko Cal. 7022 - 230

The Seiko 7022-230 represents an important milestone in Seiko's 1997 lineup. Powered by the 7022 caliber with 33j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-58f235b9a1db]

Also known as: Tuna, Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

33j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1997

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