Seiko Cal. 5648 - 545

This Quartz model from 1974 features a 39mm Two-Tone case. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-a2310a63244d]

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1974

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