Seiko Cal. 6620 - 767

The 6620-767 is a sought-after Quartz piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-061e59d08a9d]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1988

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