Seiko Cal. 5677 - 179

This Spring Drive model from 1978 features a 39mm PVD Black case. It features a Black dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-2e23733fa5d1]

Also known as: Turtle, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1978

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