Seiko Cal. 6178 - 280

This Spring Drive model from 1966 features a 37mm PVD Black case. With its 21mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-780fe46ea8e3]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1966

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