Seiko Cal. 5641 - 751

Released in 1968, the Cal. 5641 with design code 751 was part of Seiko's domestic market collection. It features a Black dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-ae85ba1c720b]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1968

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