Seiko Cal. 6678 - 877

The Seiko 6678-877 represents an important milestone in Seiko's 1984 lineup. It features a Black dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-d2a5fbaa866b]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1984

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