Seiko Cal. 5641 - 660

Released in 1999, the Cal. 5641 with design code 660 was part of Seiko's domestic market collection. With its 18mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-cc6edd918edc]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Champagne

Jewels

27j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1999

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