Seiko Cal. 4423 - 365

This Solar model from 1985 features a 40mm Stainless Steel case. With its 18mm lug width and 13.3mm profile, it sits comfortably on most wrists. [seikata-wm-a37f80e6d00e]

Also known as: Helmet, Emperor

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1985

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