Seiko Cal. 0720 - 881

This Solar model from 1972 features a 37mm Two-Tone case. Powered by the 0720 caliber with 30j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-f3b1e97773d7]

Also known as: Samurai, Sportsmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1972

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