Seiko Cal. 6628 - 700

Released in 1998, the Cal. 6628 with design code 700 was part of Seiko's domestic market collection. It features a Green dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-2f599e3b1dbf]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1998

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