Seiko Cal. 5661 - 190

The 5661-190 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5661 caliber with 29j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-2e25c1197526]

Also known as: Panda, UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1980

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