Seiko Cal. 0720 - 671

Released in 1972, the Cal. 0720 with design code 671 was part of Seiko's domestic market collection. Powered by the 0720 caliber with 25j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-182f799d1307]

Also known as: Sumo, Shogun

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Cream

Jewels

25j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1972

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