Seiko Cal. 5630 - 471

The 5630-471 is a sought-after Spring Drive piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-839bad441071]

Also known as: Monster, Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1986

Related Models

• Seiko 6291-969
• Seiko 5682-142
• Seiko 6353-789
• Seiko 7111-895
• Seiko 6176-999
• Seiko 4570-589
• Seiko 0776-958
• Seiko 4520-164
• Seiko 6286-583
• Seiko 7180-772
• Seiko 6335-712
• Seiko 5676-902