Seiko Cal. 5677 - 409

The 5677-409 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-73e3470e1891]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1967

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