Seiko Cal. 5661 - 996

The 5661-996 is a sought-after Spring Drive piece from Seiko's golden era. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-33af782ec517]

Also known as: Bullhead, Silverwave

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

White

Jewels

26j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1990

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