Seiko Cal. 0720 - 879

This Spring Drive model from 1965 features a 40mm Two-Tone case. With its 22mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-2990ba15b23e]

Also known as: Navigator, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1965

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