Seiko Cal. 7178 - 305

The Seiko 7178-305 represents an important milestone in Seiko's 1979 lineup. With its 20mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-bba2caea2651]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

22j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1979

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