Seiko Cal. 7139 - 847

The 7139-847 is a sought-after Quartz piece from Seiko's golden era. With its 18mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-a7ed79cb5fc3]

Also known as: Bellmatic, Sea Horse

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1977

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