Seiko Cal. 6657 - 592

This Solar model from 1999 features a 36mm PVD Black case. Powered by the 6657 caliber with 23j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-219f8e2c0395]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

23j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1999

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