Seiko Cal. 3894 - 627

This Spring Drive model from 1965 features a 40mm PVD Black case. With its 22mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-a2d714b52b15]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

20j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1965

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