Seiko Cal. 6621 - 642

This Spring Drive model from 1990 features a 44mm PVD Black case. It features a Navy dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-2ebf83411c9f]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1990

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