Seiko Cal. 5651 - 650

The 5651-650 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5651 caliber with 23j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-395a2891e4c0]

Also known as: Helmet, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

23j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1999

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