Seiko Cal. 6631 - 550

Seiko 6631-550

The 6631-550 is a sought-after Solar piece from Seiko's golden era. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-b7ab4a2aabd6]

Also known as: Flighty

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
45mm
Case Thickness
9.4mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
120m
Dial Color
White
Jewels
28j
Frequency
28,800 bph
Power Reserve
63 hours
Year
1977

Related Models

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