Seiko Cal. 5663 - 452

This Hand-Winding model from 1966 features a 45mm Hardlex-Coated Steel case. It features a Cream dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-508b8a2162cd]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

23j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1966

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