Seiko Cal. 5643 - 597

The Seiko 5643-597 represents an important milestone in Seiko's 1974 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-a71fb4080572]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1974

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