Seiko Cal. 3898 - 957

This Spring Drive model from 1973 features a 40mm PVD Black case. With its 19mm lug width and 14.9mm profile, it sits comfortably on most wrists. [seikata-wm-d2e2db372256]

Also known as: Rally, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1973

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