Seiko Cal. 6620 - 435

The Seiko 6620-435 represents an important milestone in Seiko's 1985 lineup. It features a Green dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-0fb48a5cb15d]

Also known as: World Timer

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1985

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