Seiko Cal. 5648 - 591

This Spring Drive model from 1971 features a 44mm Two-Tone case. It features a Black dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-4a65a40a6b27]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1971

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