Seiko Cal. 6689 - 609

This Automatic model from 1972 features a 36mm Two-Tone case. It features a Champagne dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-28832ca4c86b]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

28j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1972

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