Seiko Cal. 5644 - 457

Released in 1973, the Cal. 5644 with design code 457 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-328c52896dc7]

Also known as: Crown

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

35mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

23j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1973

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