Seiko Cal. 4523 - 509

This Hand-Winding model from 1968 features a 37mm Stainless Steel case. With its 20mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-f33e8c55ab2a]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

White

Jewels

27j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1968

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