Seiko Cal. 5287 - 634

Seiko 5287-634

Released in 1980, the Cal. 5287 with design code 634 was part of Seiko's domestic market collection. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-5fe694cf24c0]

Also known as: Baby Tuna, Arnie

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
37mm
Case Thickness
8.6mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
200m
Dial Color
Champagne
Jewels
29j
Frequency
36,000 bph
Power Reserve
71 hours
Year
1980

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