Seiko Cal. 6648 - 788

Released in 1978, the Cal. 6648 with design code 788 was part of Seiko's domestic market collection. It features a Black dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-aeb600bff94b]

Also known as: Samurai, Emperor

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1978

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