Seiko Cal. 5643 - 554

The Seiko 5643-554 represents an important milestone in Seiko's 1977 lineup. It features a Silver dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-1ea423a43d52]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Silver

Jewels

32j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1977

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