Seiko Cal. 6622 - 740

The 6622-740 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6622 caliber with 36j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-5b78943e9c55]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Champagne

Jewels

36j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1976

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