Seiko Cal. 6628 - 643

The 6628-643 is a sought-after Kinetic piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-4b7c0419f539]

Also known as: Bullhead, UFO

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1991

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