Seiko Cal. 5640 - 266

Released in 1969, the Cal. 5640 with design code 266 was part of Seiko's domestic market collection. It features a Navy dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-63df0ab69409]

Also known as: Shogun, Flighty

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1969

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