Seiko Cal. 5663 - 556

The 5663-556 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 100m of water resistance. [seikata-wm-2e0075cd7405]

Also known as: Turtle, Panda

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1966

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