Seiko Cal. 5644 - 546

The Seiko 5644-546 represents an important milestone in Seiko's 1971 lineup. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-2166f7125396]

Also known as: Goldfeather, Sea Horse

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1971

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