Seiko Cal. 6631 - 456

Seiko 6631-456

The 6631-456 is a sought-after Solar piece from Seiko's golden era. With its 19mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-254c7a6ef9d9]

Also known as: Rally, Golden Tuna

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
46mm
Case Thickness
14.1mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
120m
Dial Color
Green
Jewels
29j
Frequency
28,800 bph
Power Reserve
52 hours
Year
1976

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