Seiko Cal. 6623 - 541

This Hand-Winding model from 1984 features a 37mm Hardlex-Coated Steel case. It features a Black dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-1d4575307a24]

Also known as: UFO, Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1984

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