Seiko Cal. 5631 - 979

The 5631-979 is a sought-after Quartz piece from Seiko's golden era. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-6ea12ffa0ee4]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

28j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1968

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