Seiko Cal. 5664 - 597

This Quartz model from 1987 features a 37mm Two-Tone case. It features a Green dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-3d07474af383]

Also known as: World Timer, Crown

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1987

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