Seiko Cal. 6660 - 978

This Automatic model from 1968 features a 42mm Stainless Steel case. It features a Cream dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-fe4eda6afca1]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Cream

Jewels

26j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1968

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