Seiko Cal. 5646 - 527

Released in 1969, the Cal. 5646 with design code 527 was part of Seiko's domestic market collection. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-7fe3858bb760]

Also known as: Shogun, Sea Horse

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

37mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1969

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