Seiko Cal. 6121 - 308

This Spring Drive model from 1977 features a 40mm PVD Black case. With its 20mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-2f717ba91a0d]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1977

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