Seiko Cal. 5661 - 974

The 5661-974 is a sought-after Solar piece from Seiko's golden era. Powered by the 5661 caliber with 36j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-09a2364843c4]

Also known as: UFO

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1999

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