Seiko Cal. 6642 - 577

The 6642-577 is a sought-after Quartz piece from Seiko's golden era. It features a White dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-7ac1fe0deaf1]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1969

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