Seiko Cal. 0720 - 588

The 0720-588 is a sought-after Solar piece from Seiko's golden era. Powered by the 0720 caliber with 36j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-f1c4b532970a]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Burgundy

Jewels

36j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1966

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