Seiko Cal. 5221 - 637

Seiko 5221-637

The 5221-637 is a sought-after Solar piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-ec47a64b0b42]

Also known as: Arnie

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
41mm
Case Thickness
13.5mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
120m
Dial Color
Green
Jewels
32j
Frequency
28,800 bph
Power Reserve
62 hours
Year
1972

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