Seiko Cal. 3840 - 492

This Spring Drive model from 1979 features a 38mm PVD Black case. With its 20mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-89ffed232801]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1979

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