Seiko Cal. 5655 - 720

The 5655-720 is a sought-after Solar piece from Seiko's golden era. Powered by the 5655 caliber with 29j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-43cd0111593e]

Also known as: Samurai, Sportsmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

34mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Green

Jewels

29j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1974

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