Seiko Cal. 5651 - 538

Seiko 5651-538

The Seiko 5651-538 represents an important milestone in Seiko's 1969 lineup. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-a8bcbf0c318a]

Also known as: Sumo, Bullhead

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
38mm
Case Thickness
14.6mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
80m
Dial Color
Cream
Jewels
34j
Frequency
21,600 bph
Power Reserve
50 hours
Year
1969

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