Seiko Cal. 6625 - 637

Released in 1970, the Cal. 6625 with design code 637 was part of Seiko's domestic market collection. It features a Green dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-9fb8739cdb18]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1970

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