Seiko Cal. 4520 - 366

The 4520-366 is a sought-after Solar piece from Seiko's golden era. Powered by the 4520 caliber with 29j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-c49bb6e3597d]

Also known as: Flighty

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

29j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1987

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