Seiko Cal. 6636 - 171

Seiko 6636-171

The Seiko 6636-171 represents an important milestone in Seiko's 1976 lineup. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-d72d03578b93]

Also known as: Samurai, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
8.5mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
130m
Dial Color
Black
Jewels
23j
Frequency
36,000 bph
Power Reserve
68 hours
Year
1976

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