Seiko Cal. 5630 - 720

The 5630-720 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5630 caliber with 20j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-785adb3afef2]

Also known as: Turtle, Arnie

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

20j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1990

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