Seiko Cal. 5634 - 675

The 5634-675 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-7d30ae81e3b0]

Also known as: Navigator, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1966

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