Seiko Cal. 6641 - 625

This Spring Drive model from 1973 features a 44mm Stainless Steel case. With its 18mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-54510f0b2d41]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1973

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