Seiko Cal. 6634 - 556

Released in 1987, the Cal. 6634 with design code 556 was part of Seiko's domestic market collection. With its 20mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-9678ca22cf5e]

Also known as: Emperor, Arnie

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

29j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1987

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