Seiko Cal. 4527 - 631

This Hand-Winding model from 1999 features a 40mm Hardlex-Coated Steel case. With its 20mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-d2b63dc9ad68]

Also known as: UFO, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Cream

Jewels

25j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1999

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