Seiko Cal. 5634 - 651

The 5634-651 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 13.1mm profile, it sits comfortably on most wrists. [seikata-wm-f8da542297da]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

13.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1976

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