Seiko Cal. 5641 - 645

Released in 1997, the Cal. 5641 with design code 645 was part of Seiko's domestic market collection. With its 22mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-bb445aab0932]

Also known as: Golden Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

35mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Burgundy

Jewels

34j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1997

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