Seiko Cal. 0724 - 663

The 0724-663 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0724 caliber with 28j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-4bbf2194cac3]

Also known as: Turtle, Bullhead

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1969

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