Seiko Cal. 6651 - 538

The 6651-538 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6651 caliber with 19j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-74c69f5493b8]

Also known as: Helmet, Arnie

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Champagne

Jewels

19j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1985

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