Seiko Cal. 6628 - 959

The 6628-959 is a sought-after Spring Drive piece from Seiko's golden era. It features a Silver dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-4f8eaf320da7]

Also known as: Sumo, Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

27j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1985

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