Seiko Cal. 6657 - 191

This Quartz model from 1974 features a 37mm Stainless Steel case. Powered by the 6657 caliber with 23j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-888f09474a0f]

Also known as: Sea Horse

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1974

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