Seiko Cal. 6638 - 443

Released in 1972, the Cal. 6638 with design code 443 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-c4716dd2f6ae]

Also known as: Panda

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

33j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1972

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