Seiko Cal. 3884 - 635

The 3884-635 is a sought-after Quartz piece from Seiko's golden era. Powered by the 3884 caliber with 36j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-d0c229828aee]

Also known as: Sea Horse

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1975

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