Seiko Cal. 6648 - 525

This Quartz model from 1966 features a 35mm Gold-Plated case. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-eb91bb06d18f]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1966

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