Seiko Cal. 5641 - 696

Released in 1966, the Cal. 5641 with design code 696 was part of Seiko's domestic market collection. With its 21mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-6d0faa181aa6]

Also known as: Navigator, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1966

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