Seiko Cal. 6658 - 836

Released in 1975, the Cal. 6658 with design code 836 was part of Seiko's domestic market collection. Powered by the 6658 caliber with 35j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-0ad3f002f1bb]

Also known as: Pogue, Rally

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1975

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