Seiko Cal. 5661 - 964

The 5661-964 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5661 caliber with 19j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-da1cc4d571a9]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

19j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1998

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