Seiko Cal. 4531 - 682

This Hand-Winding model from 1973 features a 42mm Stainless Steel case. With its 20mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-cf1726411aa3]

Also known as: Pogue, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1973

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