Seiko Cal. 6678 - 593

This Quartz model from 1974 features a 45mm Stainless Steel case. It features a Black dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-49c4d91cb1ff]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1974

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