Seiko Cal. 5677 - 427

The Seiko 5677-427 represents an important milestone in Seiko's 1990 lineup. It features a Black dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-eab8e71d1e4d]

Also known as: Shogun, Navigator

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1990

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