Seiko Cal. 6637 - 182

Seiko 6637-182

The 6637-182 is a sought-after Quartz piece from Seiko's golden era. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-a2879d8c7e04]

Also known as: Sea Horse, Golden Tuna

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
12.1mm
Lug Width
21mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
30m
Dial Color
Burgundy
Jewels
18j
Frequency
28,800 bph
Power Reserve
48 hours
Year
1971

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