Seiko Cal. 4487 - 773

This Quartz model from 1977 features a 37mm Stainless Steel case. With its 20mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-aad449e02d99]

Also known as: Bellmatic, World Timer

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1977

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