Seiko Cal. 6181 - 357

This Spring Drive model from 1965 features a 35mm PVD Black case. With its 20mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-89ef803c0174]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1965

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