Seiko Cal. 6636 - 671

Seiko 6636-671

The 6636-671 is a sought-after Solar piece from Seiko's golden era. The Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-299a3b1fb7b9]

Also known as: Rally, Sportsmatic

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
8.6mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
170m
Dial Color
Cream
Jewels
19j
Frequency
21,600 bph
Power Reserve
66 hours
Year
1975

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