Seiko Cal. 6658 - 642

Released in 1974, the Cal. 6658 with design code 642 was part of Seiko's domestic market collection. Powered by the 6658 caliber with 26j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-e3af7ea8529d]

Also known as: Pogue

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

34mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

White

Jewels

26j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1974

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