Seiko Cal. 0720 - 740

Released in 1980, the Cal. 0720 with design code 740 was part of Seiko's domestic market collection. Powered by the 0720 caliber with 30j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-595e4afa9fd5]

Also known as: Rally, Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

30j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1980

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