Seiko Cal. 6632 - 428

The Seiko 6632-428 represents an important milestone in Seiko's 1981 lineup. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-2891ea6e32ec]

Also known as: Panda, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Champagne

Jewels

17j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1981

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