Seiko Cal. 6631 - 607

Seiko 6631-607

The 6631-607 is a sought-after Solar piece from Seiko's golden era. The Fixed bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-3e6f1a6cf1e0]

Also known as: Goldfeather

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
12.9mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
60m
Dial Color
Silver
Jewels
24j
Frequency
28,800 bph
Power Reserve
39 hours
Year
1987

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