Seiko Cal. 5631 - 124

The 5631-124 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5631 caliber with 27j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-1aeaaa4be201]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

44mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

27j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1981

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