Seiko Cal. 5684 - 561

This Quartz model from 1971 features a 37mm Two-Tone case. It features a Green dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-e99c7d2ff351]

Also known as: Crown, Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1971

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