Seiko Cal. 5679 - 881

This Spring Drive model from 1968 features a 41mm Two-Tone case. It features a Navy dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-60e9212be957]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

22j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1968

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