Seiko Cal. 7121 - 187

This Solar model from 1971 features a 45mm PVD Black case. With its 20mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-4bb1d598b50e]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Champagne

Jewels

34j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1971

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