Seiko Cal. 6628 - 181

Seiko 6628-181

The Seiko 6628-181 represents an important milestone in Seiko's 1980 lineup. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-3a8bc2253927]

Also known as: Sumo, Arnie

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
37mm
Case Thickness
12.7mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
40m
Dial Color
Champagne
Jewels
25j
Frequency
36,000 bph
Power Reserve
69 hours
Year
1980

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seikata-wm-3a8bc2253927