Seiko Cal. 6658 - 413

Released in 1975, the Cal. 6658 with design code 413 was part of Seiko's domestic market collection. Powered by the 6658 caliber with 18j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-f68df481ee89]

Also known as: UFO

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

42mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

White

Jewels

18j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1975

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