Seiko Cal. 5677 - 447

This Spring Drive model from 1996 features a 46mm Hardlex-Coated Steel case. It features a Black dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-ff550d3f005d]

Also known as: Monster, Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1996

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