Seiko Cal. 4423 - 613

The 4423-613 is a sought-after Solar piece from Seiko's golden era. Powered by the 4423 caliber with 32j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-4b6864e66caa]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

32j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1987

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