Seiko Cal. 6637 - 555

Seiko 6637-555

The Seiko 6637-555 represents an important milestone in Seiko's 1997 lineup. The Fixed bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-4ef7bf202326]

Also known as: Goldfeather, Golden Tuna

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
41mm
Case Thickness
13.1mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
90m
Dial Color
White
Jewels
33j
Frequency
36,000 bph
Power Reserve
57 hours
Year
1997

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