Seiko Cal. 6628 - 870

Released in 1987, the Cal. 6628 with design code 870 was part of Seiko's domestic market collection. It features a Black dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-ec90221aaa22]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1987

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