Seiko Cal. 6620 - 642

The Seiko 6620-642 represents an important milestone in Seiko's 1998 lineup. It features a Silver dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-ef4db8ba3e2e]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

36mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1998

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