Seiko Cal. 6665 - 872

The Seiko 6665-872 represents an important milestone in Seiko's 1975 lineup. Powered by the 6665 caliber with 21j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-2b22c80eef51]

Also known as: Sumo, Helmet

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1975

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