Seiko Cal. 6661 - 434

The 6661-434 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6661 caliber with 22j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-305c6c1e4eaf]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1994

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