Seiko Cal. 5617 - 619

This Hand-Winding model from 1988 features a 37mm Two-Tone case. It features a Black dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-cb84922d2bc4]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1988

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