Seiko Cal. 6651 - 538

Seiko 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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