Seiko Cal. 5630 - 420

The 5630-420 is a sought-after Solar piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-88d7ea3229b5]

Also known as: Rally

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1970

Related Models

• Seiko 4444-588
• Seiko 7194-173
• Seiko 6112-232
• Seiko 4581-403
• Seiko 5632-449
• Seiko 3851-701
• Seiko 4442-560
• Seiko 6249-371
• Seiko 5684-551
• Seiko 6643-943
• Seiko 4487-244
• Seiko 4477-197