Seiko Cal. 4488 - 637

This Hand-Winding model from 1971 features a 36mm Gold-Plated case. It features a Black dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-ca3f023a5ec2]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1971

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