Seiko Cal. 0720 - 297

The Seiko 0720-297 represents an important milestone in Seiko's 1981 lineup. Powered by the 0720 caliber with 30j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-9b1986880a32]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1981

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