Seiko Cal. 6641 - 528

The Seiko 6641-528 represents an important milestone in Seiko's 1990 lineup. With its 18mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-4c5c9bc5a529]

Also known as: UFO

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Champagne

Jewels

29j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1990

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