Seiko Cal. 5661 - 746

The 5661-746 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5661 caliber with 32j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-b1cc2d8231ae]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Champagne

Jewels

32j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1983

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