Seiko Cal. 5661 - 180

The 5661-180 is a sought-after Kinetic piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-7e36a3f9974e]

Also known as: UFO, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1987

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