Seiko Cal. 6693 - 578

The Seiko 6693-578 represents an important milestone in Seiko's 1979 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-d2c8a1602283]

Also known as: Sumo, Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Burgundy

Jewels

24j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1979

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