Seiko Cal. 6668 - 526

This Spring Drive model from 1987 features a 35mm PVD Black case. It features a Green dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-35d5be4135a5]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1987

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