Seiko Cal. 0721 - 897

Released in 1982, the Cal. 0721 with design code 897 was part of Seiko's domestic market collection. With its 18mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-25f9d8dca8de]

Also known as: Sumo, Crown

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1982

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