Seiko Cal. 0721 - 997

The 0721-997 is a sought-after Quartz piece from Seiko's golden era. Powered by the 0721 caliber with 34j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-4751851bfd12]

Also known as: Sea Horse, Crown

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Burgundy

Jewels

34j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1966

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