Seiko Cal. 5640 - 345

Released in 1994, the Cal. 5640 with design code 345 was part of Seiko's domestic market collection. With its 22mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-c31554df62ea]

Also known as: Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Champagne

Jewels

26j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1994

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