Seiko Cal. 6647 - 837

This Spring Drive model from 1970 features a 45mm Stainless Steel case. With its 22mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-6e82134e4c40]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Cream

Jewels

34j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1970

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