Seiko Cal. 5664 - 477

This Quartz model from 1979 features a 42mm Stainless Steel case. It features a Navy dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-f4a929408366]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1979

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