Seiko Cal. 7178 - 813

The 7178-813 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-a173deff9224]

Also known as: Bellmatic, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1971

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